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[Here’s how it works](https://www.livescience.com/about-live-science#section-affiliate-advertising-disclosure). 1. [Space](https://www.livescience.com/space) 2. [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) # Extraterrestrial life news, features and articles  (Image credit: Baac3nes via Getty Images) Are we alone in the universe? Live Science follows the researchers trying to answer that question and reports on what we've [learned about aliens](https://www.livescience.com/alien-discoveries-2021). From [how scientists search for extraterrestrial life](https://www.livescience.com/59153-how-to-search-for-extraterrestrial-life.html) and whether the [U.S. government is hiding evidence of "non-human intelligence"](https://www.livescience.com/space/extraterrestrial-life/us-government-is-hiding-evidence-of-non-human-intelligence-ufo-whistleblower-tells-congress) to the [strange, scientific excuses for why humans haven't found aliens yet](https://www.livescience.com/63208-alien-life-excuses.html) and the disturbing reason [why aliens may never have visited Earth](https://www.livescience.com/alien-civilizations-doomed-to-collapse), our expert writers and editors tackle it all with the latest news, features and articles about extraterrestrial life. ## Discover more about extraterrestrial life —[Aliens: Facts about extraterrestrial life and how scientists are looking for it](https://www.livescience.com/space/extraterrestrial-life/aliens-facts-about-extraterrestrial-life-and-how-scientists-are-looking-for-it) —[What could aliens look like?](https://www.livescience.com/space/extraterrestrial-life/what-could-aliens-look-like) —[How long will it take to find proof of alien life?](https://www.livescience.com/how-long-to-find-alien-life.html) ## Latest about Extraterrestrial Life [ The government is very serious about UFOs. So why are researchers being stymied? By Darrell Evans published March 15, 2026 An unidentified anomalous phenomena researcher discusses the stigma faced by similar experts conducting their studies into other UAP events while the government continues to release reports on the topic.](https://www.livescience.com/space/extraterrestrial-life/the-government-is-very-serious-about-ufos-so-why-are-researchers-being-stymied) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ Scientists squished microbes into a steel 'sandwich' — and made a profound discovery about life in space By Damien Pine published March 11, 2026 "Extremophile" bacteria could survive asteroid impacts that are strong enough to launch them into space, suggesting that life could travel between planetary bodies.](https://www.livescience.com/space/extraterrestrial-life/scientists-squished-microbes-into-a-steel-sandwich-and-made-a-profound-discovery-about-life-in-space) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ SETI scientists reveal 100 'signals of interest' from collapsed Arecibo Observatory By Brandon Specktor published January 13, 2026 A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 'signals of interest' with the world's largest radio telescope. 9 Comments](https://www.livescience.com/space/extraterrestrial-life/scientists-study-100-possible-alien-radio-signals-from-collapsed-arecibo-observatory-ending-groundbreaking-21-year-search) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ Advanced alien civilizations could be communicating 'like fireflies' in plain sight, researchers suggest By Harry Baker published January 6, 2026 A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our search for extraterrestrial life. 8 Comments](https://www.livescience.com/space/extraterrestrial-life/advanced-alien-civilizations-could-be-communicating-like-fireflies-in-plain-sight-researchers-suggest) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ Scientists are debating a 70-year-old UFO mystery as new images come to light By Sharmila Kuthunur published November 29, 2025 Two new peer-reviewed papers claim thousands of unexplained light flashes in vintage Palomar telescope images show statistical ties to nuclear tests and UFO reports. Not everyone agrees with the paper's conclusion. 18 Comments](https://www.livescience.com/space/extraterrestrial-life/no-easy-explanation-scientists-are-debating-a-70-year-old-ufo-mystery-as-new-images-come-to-light) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ Is it aliens? Here's why that's the least important question about 3I/ATLAS. By Laura Nicole Driessen published November 10, 2025 Conspiracy theories have raged about 3I/ATLAS being an unnatural object. But the alien question, while fun, generates misinformation and distracts from the science.](https://www.livescience.com/space/extraterrestrial-life/is-it-aliens-heres-why-thats-the-least-important-question-about-3i-atlas) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ Chinese scientists hunt for alien radio signals in 'potentially habitable' TRAPPIST-1 system By Mark Thompson published September 14, 2025 Researchers in China have conducted the most thorough search yet for alien radio signals in the nearby TRAPPIST-1 system, which may harbor potentially Earth-like planets.](https://www.livescience.com/space/extraterrestrial-life/chinese-scientists-hunt-for-alien-radio-signals-in-potentially-habitable-trappist-1-system) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ Where could alien life exist in our solar system? By Damien Pine published September 13, 2025 The solar system has eight planets and hundreds of moons. Could extraterrestrials live on any of them?](https://www.livescience.com/space/extraterrestrial-life/where-could-alien-life-exist-in-our-solar-system) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ Camera trap in Chile detects strange lights blazing through the wilderness. Researchers are scrambling to explain them. By María de los Ángeles Orfila published September 12, 2025 11 Comments](https://www.livescience.com/space/extraterrestrial-life/camera-trap-in-chile-detects-strange-lights-blazing-through-the-wilderness-researchers-are-scrambling-to-explain-them) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ Will the James Webb telescope finally lead us to alien life? By Brandon Specktor published September 5, 2025 Three years into its mission, the James Webb Space Telescope has advanced the search for alien life more than any machine before it. What will it find next?](https://www.livescience.com/space/extraterrestrial-life/will-the-james-webb-telescope-lead-us-to-alien-life-scientists-say-were-getting-closer-than-ever) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) 1 [2](https://www.livescience.com/space/extraterrestrial-life/page/2) [3](https://www.livescience.com/space/extraterrestrial-life/page/3) [4](https://www.livescience.com/space/extraterrestrial-life/page/4) [5](https://www.livescience.com/space/extraterrestrial-life/page/5) [6](https://www.livescience.com/space/extraterrestrial-life/page/6) [7](https://www.livescience.com/space/extraterrestrial-life/page/7) [8](https://www.livescience.com/space/extraterrestrial-life/page/8) [9](https://www.livescience.com/space/extraterrestrial-life/page/9) [Archives](https://www.livescience.com/archive) Sign up for the Live Science daily newsletter now Get the world’s most fascinating discoveries delivered straight to your inbox. 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[](https://www.livescience.com/planet-earth/rivers-oceans/scientists-discover-potentially-huge-freshwater-reservoir-hidden-beneath-great-salt-lake "Scientists discover potentially huge freshwater reservoir hidden beneath Great Salt Lake") 1 [Scientists discover potentially huge freshwater reservoir hidden beneath Great Salt Lake](https://www.livescience.com/planet-earth/rivers-oceans/scientists-discover-potentially-huge-freshwater-reservoir-hidden-beneath-great-salt-lake) 2. 2 [Concentric rocky rings adorned with ancient artwork wear a magma 'hat' in the Sahara](https://www.livescience.com/planet-earth/geology/concentric-rocky-rings-adorned-with-ancient-artwork-wear-a-magma-hat-in-the-sahara-earth-from-space) 3. 3 [Tasmanian tigers discovered in Indigenous rock art in Australia, suggesting these marsupials lived there much longer than thought](https://www.livescience.com/archaeology/tasmanian-tigers-discovered-in-indigenous-rock-art-in-australia-suggesting-these-marsupials-lived-there-much-longer-than-thought) 4. 4 [NASA's historic Artemis II mission gets green light for flight as countdown begins](https://www.livescience.com/space/space-exploration/something-really-big-is-going-to-happen-nasas-historic-artemis-ii-mission-approved-for-april-1-launch) 5. 5 [Pig semen molecule could deliver chemotherapy to hard-to-reach eye cancer, mouse study suggests](https://www.livescience.com/health/medicine-drugs/pig-semen-molecule-could-deliver-chemotherapy-to-hard-to-reach-eye-cancer-mouse-study-suggests) Live Science is part of Future US Inc, an international media group and leading digital publisher. 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1. [Space](https://www.livescience.com/space) 2. [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life)  (Image credit: Baac3nes via Getty Images) Are we alone in the universe? Live Science follows the researchers trying to answer that question and reports on what we've [learned about aliens](https://www.livescience.com/alien-discoveries-2021). From [how scientists search for extraterrestrial life](https://www.livescience.com/59153-how-to-search-for-extraterrestrial-life.html) and whether the [U.S. government is hiding evidence of "non-human intelligence"](https://www.livescience.com/space/extraterrestrial-life/us-government-is-hiding-evidence-of-non-human-intelligence-ufo-whistleblower-tells-congress) to the [strange, scientific excuses for why humans haven't found aliens yet](https://www.livescience.com/63208-alien-life-excuses.html) and the disturbing reason [why aliens may never have visited Earth](https://www.livescience.com/alien-civilizations-doomed-to-collapse), our expert writers and editors tackle it all with the latest news, features and articles about extraterrestrial life. ## Discover more about extraterrestrial life —[Aliens: Facts about extraterrestrial life and how scientists are looking for it](https://www.livescience.com/space/extraterrestrial-life/aliens-facts-about-extraterrestrial-life-and-how-scientists-are-looking-for-it) —[What could aliens look like?](https://www.livescience.com/space/extraterrestrial-life/what-could-aliens-look-like) —[How long will it take to find proof of alien life?](https://www.livescience.com/how-long-to-find-alien-life.html) ## Latest about Extraterrestrial Life [ The government is very serious about UFOs. So why are researchers being stymied? By Darrell Evans published March 15, 2026 An unidentified anomalous phenomena researcher discusses the stigma faced by similar experts conducting their studies into other UAP events while the government continues to release reports on the topic.](https://www.livescience.com/space/extraterrestrial-life/the-government-is-very-serious-about-ufos-so-why-are-researchers-being-stymied) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ Scientists squished microbes into a steel 'sandwich' — and made a profound discovery about life in space By Damien Pine published March 11, 2026 "Extremophile" bacteria could survive asteroid impacts that are strong enough to launch them into space, suggesting that life could travel between planetary bodies.](https://www.livescience.com/space/extraterrestrial-life/scientists-squished-microbes-into-a-steel-sandwich-and-made-a-profound-discovery-about-life-in-space) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ SETI scientists reveal 100 'signals of interest' from collapsed Arecibo Observatory By Brandon Specktor published January 13, 2026 A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 'signals of interest' with the world's largest radio telescope. 9 Comments](https://www.livescience.com/space/extraterrestrial-life/scientists-study-100-possible-alien-radio-signals-from-collapsed-arecibo-observatory-ending-groundbreaking-21-year-search) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ Advanced alien civilizations could be communicating 'like fireflies' in plain sight, researchers suggest By Harry Baker published January 6, 2026 A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our search for extraterrestrial life. 8 Comments](https://www.livescience.com/space/extraterrestrial-life/advanced-alien-civilizations-could-be-communicating-like-fireflies-in-plain-sight-researchers-suggest) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ Scientists are debating a 70-year-old UFO mystery as new images come to light By Sharmila Kuthunur published November 29, 2025 Two new peer-reviewed papers claim thousands of unexplained light flashes in vintage Palomar telescope images show statistical ties to nuclear tests and UFO reports. Not everyone agrees with the paper's conclusion. 18 Comments](https://www.livescience.com/space/extraterrestrial-life/no-easy-explanation-scientists-are-debating-a-70-year-old-ufo-mystery-as-new-images-come-to-light) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ Is it aliens? Here's why that's the least important question about 3I/ATLAS. By Laura Nicole Driessen published November 10, 2025 Conspiracy theories have raged about 3I/ATLAS being an unnatural object. But the alien question, while fun, generates misinformation and distracts from the science.](https://www.livescience.com/space/extraterrestrial-life/is-it-aliens-heres-why-thats-the-least-important-question-about-3i-atlas) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ Chinese scientists hunt for alien radio signals in 'potentially habitable' TRAPPIST-1 system By Mark Thompson published September 14, 2025 Researchers in China have conducted the most thorough search yet for alien radio signals in the nearby TRAPPIST-1 system, which may harbor potentially Earth-like planets.](https://www.livescience.com/space/extraterrestrial-life/chinese-scientists-hunt-for-alien-radio-signals-in-potentially-habitable-trappist-1-system) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ Where could alien life exist in our solar system? By Damien Pine published September 13, 2025 The solar system has eight planets and hundreds of moons. Could extraterrestrials live on any of them?](https://www.livescience.com/space/extraterrestrial-life/where-could-alien-life-exist-in-our-solar-system) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ Camera trap in Chile detects strange lights blazing through the wilderness. Researchers are scrambling to explain them. By María de los Ángeles Orfila published September 12, 2025 11 Comments](https://www.livescience.com/space/extraterrestrial-life/camera-trap-in-chile-detects-strange-lights-blazing-through-the-wilderness-researchers-are-scrambling-to-explain-them) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) [ Will the James Webb telescope finally lead us to alien life? By Brandon Specktor published September 5, 2025 Three years into its mission, the James Webb Space Telescope has advanced the search for alien life more than any machine before it. What will it find next?](https://www.livescience.com/space/extraterrestrial-life/will-the-james-webb-telescope-lead-us-to-alien-life-scientists-say-were-getting-closer-than-ever) [Extraterrestrial Life](https://www.livescience.com/space/extraterrestrial-life) 1 [2](https://www.livescience.com/space/extraterrestrial-life/page/2) [3](https://www.livescience.com/space/extraterrestrial-life/page/3) [4](https://www.livescience.com/space/extraterrestrial-life/page/4) [5](https://www.livescience.com/space/extraterrestrial-life/page/5) [6](https://www.livescience.com/space/extraterrestrial-life/page/6) [7](https://www.livescience.com/space/extraterrestrial-life/page/7) [8](https://www.livescience.com/space/extraterrestrial-life/page/8) [9](https://www.livescience.com/space/extraterrestrial-life/page/9) [Archives](https://www.livescience.com/archive) Sign up for the Live Science daily newsletter now Get the world’s most fascinating discoveries delivered straight to your inbox. LATEST ARTICLES 1. [](https://www.livescience.com/planet-earth/rivers-oceans/scientists-discover-potentially-huge-freshwater-reservoir-hidden-beneath-great-salt-lake "Scientists discover potentially huge freshwater reservoir hidden beneath Great Salt Lake") 1 [Scientists discover potentially huge freshwater reservoir hidden beneath Great Salt Lake](https://www.livescience.com/planet-earth/rivers-oceans/scientists-discover-potentially-huge-freshwater-reservoir-hidden-beneath-great-salt-lake) 2. 2 [Concentric rocky rings adorned with ancient artwork wear a magma 'hat' in the Sahara](https://www.livescience.com/planet-earth/geology/concentric-rocky-rings-adorned-with-ancient-artwork-wear-a-magma-hat-in-the-sahara-earth-from-space) 3. 3 [Tasmanian tigers discovered in Indigenous rock art in Australia, suggesting these marsupials lived there much longer than thought](https://www.livescience.com/archaeology/tasmanian-tigers-discovered-in-indigenous-rock-art-in-australia-suggesting-these-marsupials-lived-there-much-longer-than-thought) 4. 4 [NASA's historic Artemis II mission gets green light for flight as countdown begins](https://www.livescience.com/space/space-exploration/something-really-big-is-going-to-happen-nasas-historic-artemis-ii-mission-approved-for-april-1-launch) 5. 5 [Pig semen molecule could deliver chemotherapy to hard-to-reach eye cancer, mouse study suggests](https://www.livescience.com/health/medicine-drugs/pig-semen-molecule-could-deliver-chemotherapy-to-hard-to-reach-eye-cancer-mouse-study-suggests)