Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

A viral theory claims more than 50 alien ships are heading towards Earth led by interstellar object 3I/ATLAS. What is the ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

Harvard's Avi Loeb warns interstellar comet 3I/ATLAS could be alien tech. Experts weigh in on planetary defence and the risks ...

Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

The Hubble Space Telescope has made multiple observations of exoplanet WASP-121 b, also known as Tylos. The extreme temperature changes the massive 'hot Jupiter'-type planet may make it rain iron at ...

A mysterious visitor from beyond our solar system is defying expectations and igniting fierce scientific debate as it hurtles ...

Interstellar comet 3I/ATLAS makes its closest approach to Earth this week, sparking alien theories and global interest as ...

Since its discovery, some people have speculated that interstellar visitor 3I/ATLAS could be alien technology. Harvard ...

Uri Geller alleges NASA is hiding alien remains tied to interstellar comet 3I/ATLAS, sparking debate amid scientific evidence ...