Either way, the depressing irony is that a long overdue peace in Ukraine will also necessarily free up Russia to redeploy its ...

The exercise was designed to test the 354th Fighter Wing’s ability to rapidly generate, deploy, and sustain its combat aircraft in a near-peer operational environment. F-35 Lightning II stealth ...

To support the Eastern Front, the Allies sent convoys to Russia through waters so frigid men could freeze to death in five ...

As part of the EU project ECOTIP, an international team of researchers, including the Helmholtz-Zentrum Hereon, has analyzed the sea off Greenland more comprehensively than ever before. The key ...

In the coming decades, climate change is likely to lead to a loss of sea ice in and an influx of warmer water to the Arctic Ocean, affecting the ocean's vertical circulation. Brown and colleagues ...

Dynamic mounds made of methane at a depth of some 3,640 meters act like “frozen reefs” for a bizarre array of deep-sea ...

National-security officials say Chinese submarines and icebreakers pose a new military threat from the High North.

The Arctic is a dramatically different place than it was 20 years ago, when scientists first began giving it an annual checkup—and its current state is dire. The first Arctic Report Card was released ...

A new think tank report calls for a fleet of unmanned systems to boost surveillance as deterrence as military competition ...

Scientists discovered deep Arctic methane mounds that release gas, shape ecosystems, and inform climate risks.