An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

Sometimes scientists must dig and work and sweat to make scientific discoveries. And sometimes a robot rolls over a rock that ...

The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a flyby on Wednesday.

The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity—or not ...

The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity — or not.

The idea of an ancient Martian ocean has fascinated scientists for decades. Now, groundbreaking research based on radar scans ...

Such major and arbitrary cuts to NASA’s budget would do very little to save money, but they will undercut and decimate one of ...

Mars just dropped a surprise golden nugget —literally. Curiosity accidentally cracked open an ordinary-looking rock, only to ...

Scientists have discovered kaolinite mineral on Mars, providing new evidence that the planet was once warm and wet.

NASA’s Perseverance rover found pale rocks containing kaolinite on Mars, a mineral that forms in warm, wet conditions.

Martian dust is mostly rust. Mars’s famed color has captivated humankind for centuries, earning its nickname of the ‘Red Planet’. Romans named Mars for their god of war because its colour was ...

Billions of years ago, however, liquid water flowed freely across the planet. And, while NASA's various Mars rovers have uncovered signs that such water once existed on Mars, there's perhaps no ...