Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that ...

A gastroenterologist says altered gut bacteria have been observed in patients with neurological and psychiatric conditions ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

When War of the Worlds was adapted into a sci-fi series in the late 80s, the show made major changes to H.G. Wells' original ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...

Titan, Saturn's largest moon, is home to vast lakes and seas - not of water, but of liquid methane and ethane. In this video, ...

Got a nasty stomach bug that won’t go away? It could be cyclosporiasis, a parasitic infection that causes weeks of ...

Beneath the icy silence of Antarctica's famous Dry Valleys lies a world so unusual that it often resembles another planet.

Researchers have looked at how particular microbes from Earth would fare in conditions like those of Mars, the moon, and the ...