California was hit by another earthquake Wednesday afternoon, brining the total to three in the last 24 hours. The tremors ...

Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust ...

The recent preliminary magnitude 3.0 earthquake serves as a critical reminder of the seismic environment in which we live. While this event may not have caused harm, it encourages discussions about ...

Did you feel it? A preliminary magnitude 3.0 earthquake struck near Dublin Tuesday afternoon, according to the U.S.

Researchers have discovered that the underside of the North American continent is dripping away in blobs of rock—and that the ...

The Wallis Annenberg Wildlife Crossing will allow mountain lions, bobcats and other wildlife to travel between the Simi Hills ...

We know more about the Moon’s surface than Earth’s ocean floor — but that’s changing fast. A NASA-supported team used a ...

See where your home falls in California's new fire hazard zones, the first update to the state's maps in 14 years.

Early Friday, a major 7.7 magnitude earthquake that originated near Mandalay, Myanmar, shook the Earth as far as Bangkok, ...

Californians have long dreaded the 'Big One'. But growing fears of a deadly earthquake are no longer confined to just the ...