Arctic winters are melting fast. Scientists in Svalbard report rain, thaw, and rising risks in what was once reliably frozen terrain.

In just 97 minutes, Nisar will circle the planet once, and in 12 days, it will have mapped nearly every inch of Earth’s ...

Scientists have discovered ancient, river-carved landscapes beneath Antarctica's ice, revealing new insights into glacier movement and improving sea-level rise predictions.

Researchers have unveiled a powerful new tool that gives unprecedented insight into the stability of Antarctica's so-called "Doomsday Glacier," the collapse of which could lead to a catastrophic 11 ...