An alternative source of phosphorus may be the mineral olivine. Given that olivine makes up a large part of the upper mantle of Earth and presumably other rocky planets and moons, it stands to reason ...

Mars wasn't always the cold desert we see today. There's increasing evidence that water once flowed on the red planet's ...

New research suggests Mars' missing atmosphere -- which dramatically diminished 3.5 billion years ago -- could be locked in the planet's clay-covered crust. Water on Mars could have set off a chain ...

The current imbalance in our atmosphere is putting more heat into our climate, and more heat translates to more energy.

Mars wasn’t always the cold, dry desert we see today. Billions of years ago, water flowed across its surface, indicating that ...

According to the researchers, ancient water trickling through Mars' rocks could have triggered a series of chemical reactions ...