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

Pocock, a space scientist at University College London and BBC presenter, predicts alien life will be found by 2075 but ...

A mysterious metal shard, once thought to be a piece of a UFO that crashed in 1947, has sparked years of wild speculation.

SETI scientists have detected signals that don’t behave like anything found in nature — narrowband, repeating, and drifting as if something is moving fast. Could these be side effects of alien ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

Is 3I/ATLAS a comet or an alien ship? Harvard's Avi Loeb warns of a 'serial killer' visitor as the interstellar object makes ...

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

In 1994, the fragments of the Shoemaker-Levy 9 comet smashed into Jupiter with a force equal to 300 million atomic bombs.

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

It came from outer space. Interstellar space, to be precise. From somewhere beyond the influence of our sun, possibly from ...

The actor said that it was very “tough”, referring to leaving his baby. Still, he hopes his son will one day watch the moment ...

Harvard physicist Avi Loeb is puzzled by the interstellar comet 3I/ATLAS after it turned a shocking green colour near the sun ...