Data has revealed evidence of an underground reservoir of water deep beneath the surface of Mars. Scientists say the water is believed to be seven miles to 12 miles down in the Martian crust. The ...

Explore the Earth and Mars comparison to discover why Earth is the perfect habitable planet, uniquely sustaining life on ...

CAPE CANAVERAL, Fla. (AP) — Mars may be drenched beneath its surface, with enough water hiding in the cracks of underground rocks to form a global ocean, new research suggests. The findings released ...

Mars – dusty, dry, and desert-clad – was once so rich in water it had not just lakes, but oceans, according to a new study. Observations using ground-penetrating radar have revealed underground ...