Earth researchers have spent generations decoding the Grand Canyon, turning its cliffs and chasms into one of the clearest ...

Scientists are testing advanced drones and robot dogs in some of Earth's toughest deserts to prepare for autonomous ...

Dust devils on Mars generate tiny electrical sparks. This could help explain how the Red Planet’s atmosphere and surface are ...

A new NASA Earth Observatory image reveals three ancient black mesas in Mauritania, remnants of the Paleozoic Era.

The Himalayas shape our planet's climate in ways that reach far beyond their towering peaks. These magnificent mountains ...

From epic space operas to mind‑bending thrillers, these are the sci‑fi stories that will transport you to other worlds.

Atmospheric dust plays an important role in the way Earth absorbs and reflects sunlight, impacting the global climate, cloud formation, and ...

Lyman Lake State Park in St. Johns, Arizona is exactly that kind of revelation – a 1,500-acre liquid miracle that makes you wonder if you’ve somehow teleported out of Arizona altogether. We all have ...

From “experimental archaeology” to the mysterious appeal of exploration, the wide-ranging subjects detailed in these titles captivated Smithsonian magazine’s science contributors this year ...