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

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

Scientists have identified another possible commonality between Earth and Mars: a solid inner core. Scientists have ...

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

Mar. 13, 2025 — 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 ...