A pilot project has used satellite measurements to estimate emissions and removals of carbon dioxide in individual nations.

A team of scientists mapped nitrogen dioxide in California's air at the neighborhood scale and found hotspots of the air pollutant near high-rise buildings and food processing facilities.

Coral reefs surround the volcanic islands of Mayotte, the eastern-most islands in the Comoros archipelago.

Shadows from skyscrapers and other city buildings give the photograph a 3D look.

After torrential rains, satellite images revealed widespread landslides in the Brazilian state's coastal municipality of São Sebastião.

Astronauts and sky watchers oohed and aahed as the night sky lit up with pulsating displays of reds, greens, and purples.

Overgrazing by deer poses a threat to a giant quaking aspen tree colony in Utah—one of the largest organisms in the world.