Crews snapped a photo of a rare weather phenomenon known as a "snow devil" on New Hampshire's Mount Washington.

If you are interested in visiting HCRO, we are located approximately 300 miles NE of San Francisco, in Shasta County, California. A self-guided tour is available during opening hours. WARNING: HCRO is ...

With areas in the Bay Area near San Francisco dipping more than 0.4 inches ... SOURCE NASA's Jet Propulsion Laboratory, NASA Earth Observatory, California Geological Survey, LiveScience.com ...

The Griffith Observatory invited the public to join them on Thursday to welcome the start of spring, also known as the vernal equinox. A popular event, it drew a crowd to this annual moment when ...

Professional and amateur photographers alike gathered Monday to capture a solar event dubbed California Henge in San Francisco ... operator at UC’s Lick Observatory on Mount Hamilton, told ...

Caption This is an audio recording of a blue whale's "song" (2.5 minutes) captured by San Francisco State University Professor Roger Bland at Pioneer Seamount Underwater Observatory off the coast ...