Coastal communities from northern California to British Columbia live atop the Cascadia Subduction Zone, which spans about ...

There have been rockets launching from Vandenberg for decades, so why are the Falcon 9 launches of such concern? "Because of the Starlink satellites, the orbital mechanics for where they're trying to ...

NASA scientists have issued a serious warning following recent activity indicating that the San Andreas Fault has ruptured, raising fears of a potentially devastating earthquake. This major geological ...

A recent Virginia Tech study reveals that the Pacific Northwest faces a heightened risk of catastrophic flooding and ...

Several earthquakes with epicenters beneath the ocean surface rattled the Northern California coastline early Monday. The ...

Scientists have detected unusual activity along the San Andreas Fault, sparking concerns that a major earthquake could be ...

A series of moderate earthquakes, including a 4.4 magnitude temblor, struck early Monday morning off the coast of Northern California.

SpaceX’s Dragon spacecraft completed its latest mission Saturday night, splashing down off the coast near Oceanside, ...

SpaceX's Dragon spacecraft returned to Earth. It splashed down off the California coast near Oceanside. The spacecraft ...

A powerful underwater volcano known as Axial Seamount off the Oregon coast may erupt. Though scientists say it poses no ...

California has dozens of earthquakes every day. Most are below 3.0 magnitude, so small that they aren’t felt.

The United States has dealt with a flurry of earthquakes this month, raising concerns about "The Big One." Last week, the ...