Underwater explorers have been left baffled by mysterious holes punctured deep into the sea floor. The “perfectly aligned” markings appear 1.6 miles beneath the ocean’s surface in rarely explored ...

'Extraterrestrial' fragments recovered from the Pacific Ocean floor could have come from an alien planet outside our solar system, an astronomer has claimed. Planetary scientist Humberto Campins said ...

More than 800 tiny spheres retrieved from the depths of the Pacific may hold clues of extra-terrestrial life, according to a Harvard professor. Dr Avi Loeb, a theoretical physicist, spoke about a ...

Extraterrestrial life could really be out there among the stars – here is some of what we have learned thanks to science. Through the years, BBC Future has covered a wide range of stories about what ...

The symmetrical holes which lie more than 1.5 miles underneath the ocean surface have yet to be explained by scientists. That hasn't stopped cheeky social media users speculating that aliens have been ...