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

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.

Research published late last year indicated “seismic discontinuities in the Martian crust” that scientists believe could be an indicator of liquid water under the Martian surface, raising the ...

Are subterranean lifeforms viable on Mars? A new interpretation of Martian seismic data by scientists Ikuo Katayama of ...

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

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

With new data coming in from Mars, scientists have a new theory about why the planet is red. What does this mean for whether ...

Mars’ thick crust may have been a hidden engine of geological activity, producing granitic magmas and sustaining underground ...

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

NASA's Perseverance rover, which has been exploring Mars since 2021, fired its laser at some oddly pale rocks on the surface ...

For centuries, the Red Planet’s signature hue has fascinated scientists, but the real reason behind its color may be ...