The far north has long been a region of exceptional international cooperation. But Trump’s designs on Greenland come at a ...

Although 2025 did not set a new global temperature record, it still delivered clear signs of a warming planet.

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

President Trump wants to annex Greenland. We look at the fight over a different Arctic territory for insights.

On a flat map, Greenland looks like a lonely white expanse at the top of the world. On the right projections, it jumps out as ...

A report warns that we may have seriously underestimated the rate of warming, which could damage economic growth ...

What makes this result extraordinary, scientists say, is that 2025 saw a cooling phase in the equatorial Pacific Ocean, or La ...

Ancient ocean sediments reveal Antarctica’s ice sheet retreated repeatedly during past warm periods, offering clues to future ...

Scientists reached Antarctic bedrock after drilling 1.7 miles through more than a million years of ice deposits on the white continent, they announced Jan. 9.

New satellite photos reveal that one of the world's largest and longest-lived icebergs, A23a, has developed vibrant blue ...

An international team of scientists has uncovered evidence glaciers in the Southern and Northern hemispheres were synchronous ...

P arts of the ocean reached temperatures of -15°C (5°F) without freezing 717-660 million years ago, geologists and ...