Former Pentagon UFO investigator Luis Elizondo claims the US government possesses unreleased photographs showing what appear ...

Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

These anime characters possess feats and abilities that surpass even Sailor Moon's extraordinary power.

'Hidden structures' discovered deep beneath the dark side of the moon ...

Known as one of the more outspoken UFO whistleblowers, Luis Elizondo took an interesting turn this week, claiming that ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

The beloved magical-girl anime Sailor Moon is returning to theaters this August, giving fans a rare chance to relive its ...

Investigating an area of interesting light rock seen from orbit, Curiosity found some particularly weird-looking structures.

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

A Chinese spacecraft on a mission to collect and return samples of a near-Earth asteroid beamed back its first image of its ...

A new Mars Rover image captured by NASA's Curiosity mission has reignited debate over whether unusual formations on the Red ...