Sycamore Knoll, an underwater structure that some say is an alien base, is garnering attention on social media again. It is ...

The stalactites and stalagmites of Sequoia National Park’s Crystal Cave, a sprawling subterranean wonder that’s been closed ...

Located in the tiny town of Belleview in the southeastern part of the Show-Me State, this 129-acre park features massive granite boulders that look like they were dropped from the sky by some giant ...

Smithsonian American Art Museum, Gift of George D. Pratt. The Smithsonian Institution came of age in the era of Manif ...

A preliminary magnitude 2.9 earthquake rattled the North Bay Wednesday afternoon. The quake’s epicenter was 2.4 miles east of ...

Vazquez Rocks is a dramatic desert landscape just outside Los Angeles, known for its striking geology, outlaw legends, and countless Hollywood film appearances.

SAN JOSE — Well over 400 affordable homes could replace small retail buildings as part of a six-story development that would ...

Visit ancient Mars—a surprisingly temperate planet where snow or rain falls from the sky, and rivers rush down valleys to ...

Seismologist Deborah Kilb was wading through California earthquake records from the past four decades when she noticed ...

Using data compiled from single earthquakes across the world, Christie Rowe of the Nevada Seismological Laboratory at the University of Nevada, Reno and Alex Hatem of the U.S. Geological Survey sought ...