Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.

Arctic clouds form faster when seeded by gases released from terrestrial organic matter carried by rivers into the Russian Arctic Ocean.

Biological matter in river runoff increasing the chances of cloud formation in the Arctic Circle is an important discovery ...

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

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 ...

Long thought of as a dry, barren world, Mars may once have shimmered with shades of blue. A new study reveals the discovery ...

The Trump administration is eying the possibility of oil leasing in Arctic Ocean areas more than 200 miles from shore, an area where U.S. territorial rights are unclear. Information about the Trump ...

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

The Trump administration is eying the possibility of oil leasing in Arctic Ocean areas more than 200 miles from shore, an area where U.S. territorial rights are unclear. Information about the Trump ...