New evidence of ancient rivers suggests Mars may have been a "blue planet," thanks to an ocean spanning its entire northern ...

Global efforts to reduce pollution will not be enough to mitigate the worst effects of climate change, scientists say. We ...

Organic matter carried in rivers to the Russian part of the Arctic Ocean may be creating more clouds and keeping the region ...

Starting Thursday, dangerously frigid air from Siberia and the North Pole is forecast to plunge the Great Lakes region into ...

Cutting down boreal forest and sinking the felled trees in the depths of the Arctic Ocean could remove up to 1 billion tonnes of carbon dioxide from the atmosphere each year – but it could come at a c ...

Far below the ice, in a realm long assumed to be almost lifeless, scientists have stumbled on a thriving oasis nearly 2.5 ...

Oceans shape everyday life in powerful ways. They cover 70% of the planet, carry 90% of global trade, and support millions of ...

An abundance of natural resources, faster trade routes and military advantages have powers around the globe vying for a slice ...

The organisms living here survive without sunlight and rely on chemical energy.

A Russian expedition has located a long-lost Soviet nuclear waste disposal site in the Arctic's Barents Sea, revealing Cold ...

The Arctic Ocean is warming four times faster than the rest of the world's oceans, a trend that could potentially spill over to the rest of the world in the form of altered weather patterns and other ...