Extraterrestrial life, or alien life (colloquially, aliens), is life that originates from another world rather than on Earth. No extraterrestrial life has yet been scientifically or conclusively detected.

Aug 27, 2025 · The evidence for extraterrestrial life, while still largely indirect, raises profound questions that extend beyond science. If life exists elsewhere in the universe, what does it mean for humanity’s …

Apr 17, 2025 · Astronomers announced Thursday that they had detected the most promising "hints" of potential life on a planet beyond our Solar System, though other scientists expressed scepticism.

3 days ago · From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to come thick and fast. But when we've found it, how will we know for …

May 24, 2025 · Discover interesting facts about where alien life forms are likely to exist, and what they look like.

Apr 17, 2025 · Scientists have found further evidence of possible biosignature gases on the nearby exoplanet K2-18b, strengthening the case that it could support alien life.

Jan 14, 2025 · So, scientists tend to think that alien life exists, even in more advanced forms. These results are made even more significant by the fact that disagreement for all categories was low.

Nov 16, 2025 · extraterrestrial life, life that may exist or may have existed in the universe outside of Earth. The search for extraterrestrial life encompasses many fundamental scientific questions.

Nov 20, 2025 · Extraterrestrial Life coverage from Scientific American, featuring news and articles about advances in the field.

Apr 17, 2025 · A team of astronomers said it has found signs of what could be extraterrestrial life on a distant planet located far outside of our own solar system.