California marked a milestone this month with the return of an uninterrupted Highway 1 through the perilous, yet spectacular ...

How the two primary people of the gold discovery in California failed to cash in.

Jan. 24, 1848, marked the start of the famous California Gold Rush.

This doesn’t mean Mars causes ice ages on its own. Orbital cycles are only part of the picture. Earth’s oceans, atmosphere, ...

The US Geological Survey recorded the first quake near Holtville at 1:40am PT on Wednesday, with the most recent detected on Thursday morning. Hundreds of California residents have issued reports of ...

Seismic tremors reveal a shallow fragment of ancient tectonic plate beneath Northern California, helping explain damaging ...

A popular stretch of Highway 1 at Big Sur reopens Jan. 14, ending the longest sustained closure of the highway in the region.

Vikings, volcanoes, and sheep don’t immediately seem like they should all be connected, but this unlikely trio is actually informing our knowledge of global history. Hosted by: Stefan Chen Huge thanks ...

Scenic coastal throughfare from Los Angeles to San Francisco had been cut in tourism-reliant Big Sur area ...

Bright white rocks spotted by NASA’s Perseverance rover are rewriting what we thought we knew about ancient Mars. These ...

Sometimes to truly study something up close, you have to take a step back. That's what Andrea Donnellan does. An expert in Earth sciences and seismology, she gets much of her data from a bird's-eye ...

This California highway has reopened after years of landslide and storm damage, restoring coastal access and boosting local businesses along the scenic route.