A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...

Far beneath the ocean’s surface, where sunlight never reaches and temperatures soar near underwater volcanoes, life still ...

The Turquoise Pool is one of Mystery Cave’s most photographed features, and for good reason. This body of water is so clear ...

One of the most photographed features in Mystery Cave is the Turquoise Pool, a body of water so clear and so perfectly ...

If life exists elsewhere in the universe, researchers at the University of Washington are finding the clues on Earth to help ...

Life on Earth may not have started here at all. A scientist says alien intervention is unlikely but still possible, reshaping the debate on our true origins.

From steaming volcanic vents to glowing salt flats, these surreal California landscapes look so otherworldly they feel pulled straight from another planet.

Former president Obama clarified comments about extraterrestrial life after an interview with Brian Tyler Cohen.

Some underrated sci-fi shows are better than they appear and may impress fans of the genre, including forgotten series like ...

The Science: Europa has been considered as a top contender for alien life for even longer than Enceladus, thanks to its massive under-ice liquid water oceans. It also displays water vapor plumes ...

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.