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

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

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 ...

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and ...

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

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

Is 3I/ATLAS an alien probe? Breakthrough Listen uses the Green Bank Telescope to search for technosignatures as the ...

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

The first signals from extraterrestrial civilisations, according to David Kipping's Eschatian Hypothesis, are likely to be ...

Researchers used Green Bank Telescope to detect radio signals from 3I/ATLAS just before its closest approach to Earth.

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 ...