Cajon Pass is more than a busy mountain gateway. Its complex geology could help reshape the next major earthquake’s reach and intensity.

From towering rock formations and cave adventures to wildflower-filled trails and rare wildlife, here's how to plan an unforgettable visit to California's smallest national park.

For much of the twentieth century, the deepest parts of the oceans remained among the least understood places on Earth. Ships ...

Eastern Africa is being stretched as sections of the continent move apart along the East African Rift System. The process ...

A small earthquake was detected in Southern California Tuesday morning, according to the U.S. Geological Survey.

Earth’s outermost layer—the crust—is constantly renewing itself. It’s broken into giant chunks called tectonic plates that pull apart, push against or slide past one another, creating grand geologic ...

The spread of the ocean floor, as tectonic plates spread apart, is known but hard to observe. Scientists have now documented the process in action. By K. R. Callaway Far down on the ocean floor, Earth ...

Like tectonic plates colliding, humanism and the humanities are confronting movements that question long-held definitions of the human person.

At least 920 people died and nearly 3,000 were injured June 24 after two devastating earthquakes hit a minute apart in northern Venezuela, the Caribbean nation with a long and deadly quake history.

In 2011, Japan reeled from the effects of a devastating magnitude 9.0 earthquake. But unnoticed in the chaos resulting from the quake, its major aftershocks and the tsunami it caused, something ...

New research finds the San Andreas and San Jacinto faults in Southern California are more stressed now than at any time in 1,000 years, raising long-term earthquake risk for millions. Scientists ...