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

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

Renowned space scientist Maggie Aderin-Pocock is 'absolutely convinced' life exists beyond Earth, predicting confirmation by 2075. She highlights the universe's vastness and recent technological ...

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

The unusual specimen raised eyebrows because it appeared capable of causing levitation. An official investigation has not ...

Scientists searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...

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