4 days ago · Although the surface of Mars is presently cold and dry, plenty of evidence suggests that the red planet was once partly covered with water. Researchers have theorized that life might have …

Nov 23, 2025 · Liquid water on Mars questioned; new SHARAD radar observations suggest bright reflections beneath south polar ice cap likely result from smooth ground, not subsurface water.

4 days ago · Scientists have long suspected that vast lakes and rivers once covered Mars during its first billion years. Even today, frozen water lingers at the poles—and traces exist near the equator—but ...

Mars contains water, though mostly as subsurface permafrost. Surface water is readily visible at some places, such as the ice-filled Korolev Crater, near the north polar ice cap.

Aug 12, 2024 · While there is water frozen at the Martian poles and evidence of vapour in the atmosphere, this is the first time liquid water has been found on the planet. The findings are …

Mar 21, 2025 · Scientists are confident Mars was once abundant with water, as seen in massive flood-carved channels, ancient river valleys, and minerals that form only in liquid water. But how the Red …

Sep 9, 2024 · While planetary science researchers have theorized that water might exist in a variety of settings on Mars, and reported features indicating water once flowed across its surface, NASA’s …

Dec 1, 2025 · Billions of years ago, Mars had rain. Water carved valleys, filled craters to the brim, spilled over their rims in catastrophic floods, and carved canyons that stretched for hundreds of kilometers. …

6 days ago · What can mapped drainage systems on Mars teach scientists about the red planet's watery past? This is what a recent study published in the Proceedings of the National Academy of Sciences …

2 days ago · Scientists suspect that the surface of Mars was once teeming with water, a lush oasis full of river systems and lakes — until a dramatic change in the planet’s magnetic field caused it to lose ...