At the edge of the Arctic in northern Canada, the annual migration of polar bears draws tourists, photographers, and ...

Ice serves as a natural shield for both the Earth and its oceans. Its bright, reflective surface helps bounce excess heat ...

As the planet warms, Antarctica's ice sheet is melting and contributing to sea-level rise around the globe. Antarctica holds ...

A new map released this week gives us a clear view of the continent as if its massive sheet of ice has been removed.