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

"This is the most exciting and fascinating discovery in substellar astrophysics in decades," an astrophysicist said.

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

While actual evidence for life on Mars has never been found, a new NASA study proposes microbes could find a potential home ...

"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 ...

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 ...

People have long since wondered if any other planets in our solar system could house us and other life forms, and after ...

NASA's Europa Clipper probe will study Jupiter's moon Europa, which is thought to have an underground ocean and a potentially ...