Thousands of people in the Sudan lost their homes this year to the swollen waters of the Nile, which reached their highest levels in more than two decades.
Scientists for the first time ever can simultaneously measure the height and motion of clouds over Earth from pole to pole, which may improve weather forecasts.
Two volcanic plumes from Mt. Etna composed of different materials are visible in new images from NASA's Multi-angle Imaging SpectroRadiometer on the Terra satellite.