A massive and surprising change is unfolding around Antarctica. Scientists have discovered that the Southern Ocean is getting saltier, and sea ice is melting at record speed, enough to match the size ...

Northern peatlands could seriously complicate efforts to cool the planet, especially after a temporary overshoot of the 1.5°C ...

Leaving the relative shelter of Alaska, this is where ocean sailing gets real. Crossing to Greenland means braving big water, freezing temps, and the kind of distance that demands everything.

Antarctica has lost sea ice equal to the size of Greenland—the largest environmental change observed on Earth in recent ...