That’s because of a ridge of high pressure that built up off the coast, blocking many storms. That ridge has now dissipated, ...

Atmospheric river conditions could bring multiple feet of snow to the northern Sierra Nevada. Other areas face a risk of flooding as the ground becomes increasingly saturated.

The U.S. Army Corps of Engineers has released water from two reservoirs in the foothills of the southern Sierra Nevada to ...

A section of the upper mantle and crust under the Sierra Nevada mountains is peeling away, in a process that may mimic how ...

Mystery has long surrounded the Nevada Triangle, but still, many people can't quite explain why nearly 2,000 planes and countless people have vanished in the area for decades.