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

Alien spaceships are in a league of their own, though. Earth does have a force field that could make a spacecraft landing ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

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 ...

According to popular media, the search for alien life involves advanced technology, space exploration and sometimes even government conspiracies and secret programs. But according to University of ...

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.

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

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...