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

Mars might hold enough subsurface water to cover its surface in a global ocean between 0.62 to 1.24 miles (1 to 2 kilometers) ...

In the 1970s, images from the NASA Mariner 9 orbiter revealed ... However, the Zhurong rover findings of coastal deposits formed in an ocean may indicate that surface water was stable on Mars longer ...

Evidence suggests Mars once had an ancient ocean, with data from China's Zhurong rover revealing coastal deposits beneath the surface.

The Mars Reconnaissance Orbiter captured images of China's Zhurong ... there would need to be tides, standing water, and rivers feeding sediment into the ocean over a long period.

The radar images showed thick layers of ... The polar ice caps do not contain enough water to fill such an ocean. Subsequent missions to Mars, however, provided evidence that, while a lot of ...

"We found evidence for wind, waves, no shortage of sand—a proper, vacation-style beach," said geologist Benjamin Cardenas.

Viking’s images showcased what ... at the edge of an ancient ocean, it suggests a prolonged period of stable liquid water, which has major implications for Mars’ climate history,” McNeil ...

Scientists have used orbiters and rovers to find dried streams, lakes, and gullies on Mars that hint at its watery past, but their cavalry of robots has struggled to prove the Red Planet ever had an ...

Outlining plans for living and working on Mars, the space agency is focusing on oxygen, food, water, power, spacesuits, ...