Earth

The location of Earth's geographic poles has changed several times over the past 320 million years in a process known as true polar wander.

The Etosha Pan in northern Namibia, the largest salt flat in the country, looks otherworldly in this satellite photo.

The bright blue lagoon waters of Venice and its iconic canals stand out in this true-color satellite image.

"It passes through our bodies, our cells and every living organism on the planet, yet we know surprisingly little about whether and how this invisible force affects the way our cells work."

This is looking like one nasty storm.

A spectacular wildflower bloom has transformed parts of Western Australia's normally arid landscape following months of unusually wet weather.

Earth is getting a new world map that more accurately depicts how much land countries contain — but surprisingly similar issues plague interplanetary mapmakers, too.

This new satellite image shows Vasquez Rocks in southern California, where Captain Kirk once faced off against the Gorn.

Anak Krakatau erupted, and satellites were watching.

We've entered a new world of Earth observation, in which artificial intelligence helps researchers make sense of an ever-glowing glut of privately gathered data.