A halo around the sun is vivid against the blue sky. With the sun’s altitude low, the distinct circular halo nearly touches the ground. Leaping with arms raised overhead, it seemed surreal—close ...

Antarctica’s Hektoria Glacier may be considered small, but the amount of ice it has lost in record time is a really big deal. The glacier is about 115 square miles (or roughly the size of Philadelphia ...

Antarctica is experiencing weird weather, and the changes have some scientists worried about the future. There’s an area on the west side of the icy continent called the West Antarctic Ice Sheet, and ...

The clock is ticking. But low clouds have prevented helicopters from moving scientists and gear onto the continent’s fastest-melting glacier.

Journey to the world's most brutal climates, from Antarctica's frozen plateaus to Siberian villages. Discover how humans ...