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

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

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

The United States is offering to give illegal aliens $3,000 if they register for self-deportation on the CBP One app by the ...

A dedicated scan for signs of radio-transmitting technology in interstellar comet 3I/ATLAS has come back with absolute ...

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 ...

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

AN abandoned RAF site dubbed Britain’s ‘Area 51’ is a magnet for UFO hunters, urban explorers and conspiracy theorists who ...

It's one of life's biggest questions - are we alone in the universe? Now, one of Britain's top space scientists has declared ...

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

Unlike the comets that call our solar system home, 3I/ATLAS is a cosmic nomad on a hyperbolic trajectory — a one-time flyby ...

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