In a new study, researchers are suggesting something radical: that the Red Planet may be hosting life under its icy exterior.

The Orionid meteor shower is about to peak. Experts say a bright waning moon may make it difficult to spot early Monday.

"Unlike Earth, Mars lacks a protective ozone shield, so there is 30 percent more harmful ultraviolet radiation at the surface ...

Photosynthetic habitable zones' could exist beneath radiation-filtering ice on Mars, offering scientists another region in ...

The so-called "Moon Tree" — grown with seeds that were flown around the moon — was wheeled out in a wagon accompanied by ...

Methane is a powerful greenhouse gas. Windfall Bio sees that as fertile ground for innovation. In mid-September, the ...

Scientists are eager to see if Europa's subsurface ocean could support life, as NASA's Europa Clipper is scheduled to begin ...

A SpaceX Falcon Heavy rocket got the Clipper off-Earth, separating from the spacecraft an hour after launch. The Clipper is ...

Life on Mars could potentially exist beneath the planet’s frozen surface, according to a new NASA study. The research ...

To cheers and applause from kids wearing spacesuits and star-studded T-shirts, a tree was planted in California that is out ...

On Earth, dense snow and ice often melts from the inside out. When dust particles are embedded in the frozen water, they can ...