A digital camera on the Blue Ghost lander looked back at Earth and captured this ethereal image.

Using NASA data, researchers can track vegetation changes around the planet, not just in forests but also in grasslands and savannas like the Brazilian Cerrado.

A new analysis suggests that a large freshwater plume in the hurricane's path helped fuel its extraordinary growth.

The turquoise waters of Ngangla Ringco add vivid color to the otherwise brown landscape in this part of the Tibetan Plateau.

The tropical cyclone took a sharp turn toward Australia's east coast, bringing flooding and other hazards to an area that rarely sees this type of storm.

Antarctic iceberg A-23A has slowed its drift and appears stuck in the shallow waters off the British overseas territory.

A powerful mid-latitude storm fueled dust storms, tornadoes, blizzards, and downpours across the country.