“We move every day — we’re backpacking,” said Jackson Fitzsimmons, a Sierra National Forest wilderness ranger who lost his ...

A new study using the largest network of microphones to track birds in the United States is providing crucial insights for managing and restoring fire-prone forests across California's Sierra Nevada ...

Under California's Sierra Nevada mountains, a slow yet powerful force will change the entirety of the Earth's crust there.

Northern California will see continued rain and snow on Thursday after a strong winter storm arrived Wednesday.

Scientists said the storm's strength and potential for far-reaching impacts is notable, but its timing isn't unusual.

Here is where you can check live feeds that show conditions in the Sierra as rain or snow falls. Below is a view from South Lake Tahoe Airport. See other snow cameras at Sierra resorts and from across ...

A new study using the largest network of microphones to track birds in the United States is providing crucial insights for managing and restoring ...

The Woolsey and Palisades fires both burned in large swaths of land in the Santa Monica Mountains. What can we learn from the ...

Sea-level rise is threatening San Francisco’s shores. In February, the city began vegetating the sand dunes as part of its ...

By Friday, the massive storm will stretch across nearly the entire central U.S., from the Gulf Coast to the Canadian border, threatening everything from whiteout conditions to damaging winds, ...

A recent study conducted by the UK motorcycle insurance referral website Confused.com has identified Furka Pass in ...