California's population is growing again and these cities north of Sacramento saw some of the larger gains, percentage-wise.

The highway embodies the California promise of freedom. But it keeps breaking. A recent trip along the roadway revealed the ...

A new study warns of a potential 1,000-foot mega-tsunami striking the U.S. West Coast within 50 years. Triggered by a major ...

A recent Virginia Tech study reveals that the Pacific Northwest faces a heightened risk of catastrophic flooding and ...

The gray wolf is a protected endangered species in California. As the population recovers, run-ins with livestock and humans have become more common.

Alaska, Hawaii and areas along the mainland West Coast would be at risk if an earthquake erupts along the Cascadia subduction ...

The map, released by biologists ... Three new wolf packs discovered in Northern California US peregrine falcons adapt well to city living as their coastal cousins struggle with bird flu Orphaned ...

Treasure Island is famous and Alcatraz infamous, but with 48 islands in San Francisco Bay alone and more in lakes and coves up and down the coast ... of a drowned town. Here’s just a sampling ...

It forecasts higher-than-normal significant wildfire potential for large swaths along California's coast, more central reaches of the state and northern ... these California cities, report says ...

The US could be hit by the largest earthquake in recorded history, which will trigger a mega tsunami with waves rising a ...