The sea ice in Antarctica’s McMurdo Sound has held secrets beneath its surface for decades. Now, scientists have unlocked some of those mysteries by studying how this fast ice—frozen sea water ...

A haze of ice crystals in the air created a halo around the low sun as three snowmobiles thundered onto the sea ice on a ...

Researchers are trying to rebuild sea ice above the Arctic Circle so it can reflect the sun’s warming rays, slowing climate ...

Can polar bears and sled dogs actually play together, or are we just anthropomorphizing the scene? What’s really going on in this video?