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 ...

Robert Zubrin, the planet’s leading strategist for landing humans on Mars, predicts SpaceX’s Starship will win the race to ...

A space probe named Hera captured images of Mars' small Deimos moon while on a mission to examine an asteroid.

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

Mars may once have held enough water to fill oceans and form coastlines. The planet’s red dust contains water and likely formed in cold conditions.

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, ...