Author calls into question U.S. capabilities in the Arctic region over Trump's assertion that we should "own" Greenland.

BERLIN, Feb 3 (Reuters) - NATO has started military planning for an Arctic Sentry mission, a spokesperson for the alliance's ...

Dalhousie researchers have revealed how Arctic aquifers—permeable layers of the ground that store and transmit water to rivers, lakes and terrestrial ecosystems—behave today and how these vital ...

Arctic sea ice has large effects on the global climate. By cooling the planet, Arctic ice impacts ocean circulation, atmospheric patterns, and extreme weather conditions, even outside the Arctic ...

Another blast of Arctic air was set to spread across much of the United States from Thursday night, even as local authorities ...

In the tropics, the border between troposphere and stratosphere—the tropopause—sits at around 20km, far above any normal ...

A prescient new book outlines the future of warfare in the far north, and just how far behind its rivals the US still is.

As Trump points to Russia and China near Greenland, experts say the biggest Russian and Chinese activity is elsewhere in the Arctic.

Remains of an ancient Arctic rhino indicate that land mammals traversed the North Atlantic via land bridges, and did so much more recently than previously thought.

NASA's Artemis II simulated launch is scheduled for tonight after Arctic weather forced the mission to be delayed. The first crewed Artemis mega moon rocket could still leave Earth as early as this ...