Denmark takes over the Arctic Council’s rotating chairmanship from Norway at a time when Arctic security tensions are fraught and U.S.

Meteorologists and astronomers call the lengthy bright stretch there “polar day.” It’s the opposite of “polar night,” or the ...

Hidden beneath the Antarctic ice lies a system of lakes and watercourses. A research team, including ETH researchers, has for ...

The Arctic Ocean is a vast and pristine expanse that has long been a defining feature of the planet, but now it stands on the ...

The administration wants to cut funding for programs that help communities adapt to wildfire risk, sea-level rise and ...