Seismic readings of the interior of Mars strongly suggest large quantities of water buried 6 to 12 miles underground.

The Mars water debate continues. A team of scientists suggests vast oceans of water may not be locked within the Red Planet's crust, despite InSight lander data.

Mars might hold enough subsurface water to cover its surface in a global ocean between 0.62 to 1.24 miles (1 to 2 kilometers) ...

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.

Researchers have found new evidence for a massive subsurface ocean on Mars, again raising the possibility of microbial life.

A recent study of data from multiple missions shows the Red Planet may get its name from an iron mineral that formed when ...

Mars has fascinated people for centuries, not only because it is our closest neighbor in space but also because of its ...

Like our moon, Deimos is tidally locked to Mars, meaning the same side always faces the planet—the only side visible to ...

Rocks loafing about on the surface of Mars have been harboring secrets about the red planet's mysterious past.

If Mars becomes a human colony is anyone’s guess. Musk said 2016 that it would take 40 to 100 years to have a self-sustaining civilization on the planet. While Mars is quite barren, dusty, and chilly, ...

Deimos is the smaller and less photographed of Mars’ moons. This egg-shaped object, only measuring about 7.7 miles in ...