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

It's almost certainly not an extraterrestrial telegram. But waves that seemed to come from the vicinity of Proxima Centauri ...

ICE arrests over 100 illegal alien truck drivers from Mexico, India, Russia and other countries in California highway sweep ...

Harvard's Avi Loeb investigates whether the interstellar object 3I/ATLAS is leaking artificial propellants, suggesting that ...

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

Seth Rogen voices a pot-smoking alien in this underrated 2011 sci-fi comedy. Join Simon Pegg and Nick Frost on a chaotic road ...

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

NASA’s Europa Clipper mission is set to investigate Jupiter’s icy moon for signs of a vast subsurface ocean and the chemical ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

For the first time, scientists have directly detected molecules in a Frisbee of gas and dust swirling around an alien gas-giant planet. “I didn’t think this was possible,” says astronomer Sierra Grant ...

Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.

Drop onto dangerously reactive alien planets where every pixel is physically simulated. Craft wild guns and abilities that ...