Piers Sellers: Earth from Space

The view of Earth from orbit was the focus of this What’s New in Aerospace? presentation televised on NASA Television from the Smithsonian National Air

The Significance of El Niño and Its Impacts (2014)

This event (December 2014), shows the significance of El Niño through observations—satellite, in situ, and model simulations—its physical mechanisms and associated biological and biogeochemical impacts,

Greenland’s Ice Layers Mapped in 3D

Peering into the thousands of frozen layers inside Greenland’s ice sheet is like looking back in time. Each layer provides a record of not only