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

Oct 28, 2023 · There's no scientific evidence for aliens in the declassified UFO videos, in mutilated cows whose injuries are blamed on extraterrestrial activities or in purported alien bodies. Nor is there...

1 day ago · Moving microbes. The results showed that L-serine worked as an attractor for all three species. "Especially, the usage of H. volcanii broadens the scope of potential life forms that can be ...

Jan 30, 2025 · Our chances of finding alien life just skyrocketed. Here’s why

Sep 29, 2023 · Nasa's James Webb Space Telescope (JWST) recently detected tantalising hints at life on a planet outside our Solar System - and it has many more worlds in its sights. Numerous missions that are...

3 days ago · The primary argument for extraterrestrial life remains probabilistic: considering the sheer number of stars and planets, it seems highly improbable that life wouldn’t have arisen elsewhere.

Sep 14, 2023 · Now, a new study reveals that the state-of-the-art spacecraft may have already spotted one such hint of life — "alien farts" — in the atmosphere of a potentially ocean-covered "Goldilocks"...

Aug 20, 2024 · A new interpretation of the famous Drake equation finds little reason to be optimistic about the search for extraterrestrial intelligence. Are we alone?

Jan 15, 2025 · Extraterrestrial life refers to life that may exist or may have existed in the universe outside of Earth. The search for extraterrestrial life encompasses many fundamental scientific questions, including ‘What are the basic requirements …

1 day ago · Moving microbes. The results showed thatL-serine worked as an attractor for all three species. “Especially the usage of H. volcanii broadens the scope of potential life forms that can be detected using chemotaxis-based methodologies, even when it is known that some archaea possess chemotactic systems,” Riekeles explained. “Since H. volcanii is thriving in extreme salty environments, it ...