Water on Mars
Mars Once Had Rivers Wider Than the Mississippi
A study shows Mars's rivers persisted up until one billion years ago—and possibly for even longer than that.
Amazing Images of Mars and the Science Behind Them
These images are as close as any of us are getting to Mars any time soon—but they're beautiful enough to be a worthy consolation prize.
What Does Mars Water Mean for Chances of Alien Life?
Is the briny sludge teeming with tiny organisms?
Cracks on Mars Reveal a System of Ancient Lakes
These curious cracks suggest that the lake levels changed often over time.
Huge Tsunamis Shaped Face of Mars Billions of Years Ago
And the ice formations would be ideal locations for finding life, if it exists.
Watch: NASA Announcement on the Fate of Mars' Atmosphere
The agency is set to announce details on Thursday at 2 p.m. ET.
An Entertaining Theory: NASA Finds Statue on Mars
It's just a rock, but it's still cool.
Water on Mars Could Unlock The Secrets of The Origin of Life on Earth
Because Mars isn't geologically active, it could provide a window to the formation of life.
Could Water on Mars Signal Life on the Red Planet?
Experts say the recent discovery that liquid water may run on the Martian surface changes the conversation about the Red Planet's habitability.
Water Found on Mars: NASA
Hydrated salt flows suggest liquid water was present on the Martian surface within a few days of the data gathering.
NASA Announces Discovery of Water on Mars
A new research paper confirms liquid water on the surface of the Red Planet