Warming temperatures may be changing the ways ice forms, making it more likely to stick to and injure polar bears in two far ...

Huge shells of frozen carbon dioxide at Mars' south polar cap resulted in subsurface meltwater, which fed a huge system of ...

On a cold, ancient Mars, rivers flowed and a lake the size of the Mediterranean Sea swelled under the protection of thick ice ...

During Martian winter, a layer of carbon-dioxide ice settles out on top of the polar caps of water ice. While it is just a thin layer on the north polar cap, the south polar cap has much more ...

Study reveals dramatic increases since the late 1980s, signaling potential future stress for bears already coping with a ...

Insulation provided by carbon dioxide ice above the martian polar caps could explain many of the Red Planet’s ancient river ...

A new study suggests that Mars could have sustained rivers and seas even after it began cooling down due to a cycle of water ...

Sgt. Ian Van Nest rolls slowly through the streets of Churchill, his truck outfitted with a rifle and a barred back seat to ...

The volunteers are staff who are ordinarily employed elsewhere at the airport, many of them in security. They are available ...

Accelerated loss of ice across the planet is driving unprecedented risks to the global economy and climate, more than 50 ...