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

Chinese researchers have captured the first-ever close-up images of the rare “mini-moon” that’s tracing circles around the ...

Ever have one of those days when you're invaded by strange metallic objects from beyond our planet?

The Fantastic Four #91 is a fun time travel fakeout story, and here is why you should want to own this classic Marvel Comics ...

The coating could be applied on future spacecraft designed to block light from distant stars hosting exoplanets.

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Experts suspect this space rock is a piece of the lunar surface torn off by a meteor impact, so it could be a time capsule ...