New evidence has led to an update of when an ancient ice sheet that used to cover large portions of North America melted – a discovery has implications for modern ice sheets and glaciers in the face ...

For the first time, researchers have collected detailed measurements of water vapor high above the surface of the Greenland ...

Past ice sheets have retreated rapidly, raising global sea level at rates >1 cm per year, with marine ice sheets collapsing and terrestrial ice sheets retreating in a more gradual fashion.