Arctic ice cap 'to disappear in future summers'

The Arctic ice cap will disappear completely in summer months within 20 to 30 years, a polar research team said as they presented findings from an expedition led by adventurer Pen Hadow.

Resupplied North Pole explorers resume trek

Three British explorers fighting to survive a gruelling trek to the North Pole finally resumed their journey Friday after receiving vital supplies of food, fuel and equipment, organizers said.

How much carbon dioxide snow falls every winter on Mars?

Like Earth, Mars experiences climatic variations during the course of a year because of the tilted nature of its orbit (aka. seasonal change). Similarly, these variations in temperature result in interaction between the atmosphere ...

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