New research suggests ancient Mars may have been warm and wet, with rainfall or snowmelt carving its iconic valleys.

Once a year, this planet passes through a celestial beehive typically seen in the night sky during the spring. And it's about ...

Whether anything ever lived on Mars is unknown. And the present environment, with harsh temperatures, intense radiation, and ...

A reddish star is about to pass through a "beehive" of stars. That "star" is actually one of Earth's planetary neighbors.

Mars is not an easy place to live. The Red Planet is essentially one giant desert with a minimal atmosphere, low temperatures and no liquid water at its surface. But the biggest barrier to life on ...

Did Mars have rain and snowstorms that shaped the planet’s terrain billions of years ago? While there’s no way to know for ...