More than 3 billion years ago, Mars intermittently had liquid water on its surface. After the planet lost much of its ...

translates to five to 20 times more water loss—and hydrogen loss—during the closest solar approach. “In recent years, scientists have found that Mars has an annual cycle that is much more ...

He said: "Understanding the Martian water cycle is critical for understanding ... Where to watch 'best meteor shower of year' 'Glitter' over Mars could make it more habitable The researchers ...

Water once existed in abundance of at the surface of Mars. How much of that water has been stored in the planet's crust is still unclear, according to a new analysis.

The fate of Mars’ water—whether it was buried as ... findings include a better understanding of the Red Planet’s water cycle, its potential conditions for life, and the availability of ...

Seismic readings of the interior of Mars strongly suggest large quantities of water buried 6 to 12 miles underground. Persuasive new evidence supporting the possibility of liquid water deep ...

A recent study has revealed that the red color of Mars is due to ferrihydrite, an iron oxide mineral. This finding suggests that Mars once had liquid ...