Deep beneath California's Sierra Nevada mountains, geologists have found evidence of Earth's rigid outer layer sinking into the mantle, like a sugar cube slowly descending and dissolving into a pool of hot syrup.

The processes that form continental crust from the denser basaltic rocks of the upper mantle may make the lower lithosphere denser than the underlying mantle. One theory holds that the lower lithosphere splits away and sinks into the mantle in a process called foundering.

President Trump will travel to North Carolina, California and Nevada this week for the first trips of his presidency, he told reporters on Tuesday. The president said he will be going Friday to

This morning, two NPR stations are partnering up: LAist's AirTalk and Nevada Public Radio's State of Nevada, for a joint broadcast looking at the population pipeline between Southern California and Southern Nevada.

As our three-generational family with baby in tow pulls into Palisades Tahoe, a premier mountain resort in California’s Sierra Nevada Mountains, after a three-hour drive from Sonoma we are greeted with the Olympic flame – a reminder of having hosted the 1960 Olympics when this cherished ski destination was called Squaw Valley.

Two Sacramento County men were arrested on Wednesday morning after attempting to rob cannabis farms in neighboring Nevada County, according to the Nevada County Sheriff’s Office. Deputies responded to the area of Flying T Rd.

Now the oldest known tree is another bristlecone pine in the White Mountains of California, named Methuselah. However, you can still find bristlecone pines in Nevada. Here's a look at the oldest ...

How dry is it in Southern California? See the drought levels and recent rainfall totals for several counties in the region.

Now known as Prometheus, the tree was found to be nearly 5,000 years old. That means Prometheus came into existence around the time humans were exiting the Stone Age and beginning to work with bronze. It was older than the Roman Empire, the Egyptian pyramids and Christianity.

Today on AirTalk, we're bringing you up to date on all the latest information on the LA wildfires. We are joined by a team from KNPR in Nevada to talk about how wildfires might affect housing in L.A.,

Google Fiber’s next big expansion is underway in Las Vegas, Nevada. After first announcing the expansion last year, Google has confirmed that it has started construction in Las Vegas and Clark County where its fiber internet service will be available “later this year.”

Upon taking office, Trump issued executive orders stating his desire to end Biden administration programs, and existing appointments made through the CBP One app were cancelled.