The left-hand panel shows the surface topography of Mars’s south pole, with the outline of the south polar cap in black ... inferred subglacial water. The ice in the region is around 1500 ...

similar to Mars’ known polar ice caps.” The MFF has long intrigued scientists due to its size and unusual composition. Stretching for hundreds of miles and rising over a mile high in places ...

NASA's Perseverance rover has rambled over a region of Mars where scientists say a strong river once emptied into a crater, creating a large delta. But for that to have happened, a lot of water would ...

The video shows the permanent ice cap at the Martian North Pole and the up to 100-kilometre wide and 500-kilometre long valley Chasma Boreale. The north polar cap has a diameter ... perpendicular to ...

There is plenty of water on Mars, but most of it is frozen in the polar ice caps and buried underground. Despite the chilly temperatures, there could be liquid water underneath the surface ice in ...

On Mars, spring brings avalanches to the north polar ice deposits ... contain up to half of the water held in Mars’ northern ice cap, which is a total that exceeds the volume in the Great ...

Radar scans reveal up to 2.2 miles of subsurface ice beneath Mars’s Medusae Fossae, per Geophysical Research Letters. The formation was long thought to be loose ash or dust—but its low density ...

Author Ruth Leedy Carr Explores the Hollow Planet Theory in Her Provocative Book PRESTON, MD, UNITED STATES, April 28, 2025 ...

I am particularly interested in polar ice caps and their interactions with planetary atmospheres. For example, the polar deposits of Mars record striking climate changes driven by seasonal cycles, ...