Far from the warmth of the Sun, some of the coldest-looking worlds in the solar system may be hiding the hottest surprises.

A rare SWOT pass mapped a Pacific tsunami in detail, exposing hidden wave complexity and showing why forecasting models need a major update.

Beneath the Pacific, a deep-sea robot uncovered a hidden world unlike anything scientists have seen—where volcanic heat and ...

The uniquely vulnerable West Antarctic Ice Sheet holds enough water to raise global sea levels by 5 meters. But when that ...