This stunning satellite image of Ouarzazate, Morocco, was taken by Europe's Copernicus Sentinel-2 mission.

Gravity may seem constant, but it actually varies across the planet—and one of the strangest places is Antarctica, where gravity is slightly weaker than expected. Scientists have traced this “gravity ...

Antarctica has lost nearly 5,000 square miles of "grounded ice" in 30 years, as warming ocean waters drive retreat in ...

Astronomers have created the largest and most detailed 3D map yet of a glowing signal from the early universe, revealing hidden galaxies and gas from 9-11 billion years ago. By analyzing faint ...