Blocks of carbon dioxide ice appear to carve mysterious gullies on Mars as they melt down dune slopes and blast away sand.

Scientists suggest that dry ice on Mars may move and burrow beneath the surface, creating patterns similar to sandworms from Dune and shedding light on the planet’s changing landscape.

New research shows that dry ice blocks, not water or life, may be responsible for the mysterious gullies carved into Mars’ ...

Retreating Himalayan glaciers threaten water security for hundreds of millions of people due to disrupted river flow.

Rising temperatures of the world's oceans threaten to accelerate the melting and splintering of glaciers—thereby potentially increasing the number of icebergs and, with it, the need to better ...