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

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

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

The mysterious 3I/ATLAS comet is hurtling towards Earth and is set to make its closest approach on Friday, December 19, with ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

The search for alien life has moved from planets to moons. This video dives into the hidden, globe-spanning oceans beneath ...

Harvard scientist Avi Loeb claims the interstellar object 3I/ATLAS may be alien technology sent to seed life on Earth, sparking a debate with sceptics who insist it is merely a comet.