Contrary to common assumptions, Arctic ponds mix in more than one direction. A new study finds that nighttime sideways flows, not vertical mixing, renew bottom waters.

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 ...

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

President Donald Trump on Friday floated cutting tariffs on China to 80% ahead of a weekend meeting as he looks to ...

Oil prices have risen this week as markets anticipate potential progress in upcoming US-China trade talks aimed at easing ...

Over 150 years ago, in 1867, the United States acquired Alaska from Russia for $7.2 million. Since then, it has not expanded ...

A glacier in Antarctica is committing 'ice piracy' -- stealing ice from a neighbor -- in a phenomenon that has never been observed in such a short time frame, say scientists.

Greenland lies across the most direct routes from Russia to the populous east coast of the US, and is the closest territory ...

Pine Island Glacier, one of the fastest-shrinking glaciers in Antarctica, hastened its slide into the sea between 2017 and ...