WHAT IS AN ATMOSPHERIC RIVER? It starts when a large amount of water vapor from tropical oceans is carried by a jet stream ...

The actor is confident in her “aggressive” approach to breast cancer treatment—even if it meant she couldn't carry her second ...

The National Weather Service is no longer providing translations of its products after its contract with an artificial ...

CAMPO, Calif. (AP) — Hiking the Pacific Crest Trail is a challenge, especially for adventurers making the entire run from ...

Public works crews throughout Southern California work year-round to maintain roads and freeways, but agencies still depend ...

Severe storms have wreaked havoc across the central United States, leaving behind destruction, flooding, and loss of life. At ...

First, lightning sparked two infernos in Southern California. Then, one fire's intense heat spawned damaging fire tornadoes.

At least three people have died as a powerful system of storms sweeps across the a wide swathe of the central and southern of the United States, with another three killed in vehicle crashes as ...

He cautioned there is “no trail” at all in parts of the 2,650-mile path through California, Oregon, and Washington state.

Rivers rose and flooding worsened across the U.S. South and Midwest, threatening communities already waterlogged and badly ...

A relentless barrage of tornadoes and historic flash flooding across several states has now claimed at least 16 lives, according to state and local officials.

At least 16 people have been killed in a wide swath of violent storms, flooding and tornadoes that hit the South and Midwest.