A first-of-its-kind study suggests the ongoing melting of Antarctica’s vast ice sheet could have direct implications for sea ...

As the frozen parts of our planet face rapid and unprecedented change, NSIDC has been sharing how and why its key features are changing.

Why did the ice ages that once transformed Earth every 40,000 years begin to occur less frequently? The planet now plunges into a deep freeze about once every 100,000 years, a pattern it has ...