Wildlife managers, scientists and conservationists have a more complete ecological map of the American West with the release ...

Atmospheric rivers like the ones hitting the state this week sometimes wobble, and these slight movements can be challenging to predict.

As a salvage team continues to work in cold winter conditions to lift debris from the frigid water, key questions into the ...

Multiple access points along the American River, as well as the Sacramento River, within the Sacramento County Regional Parks ...

The project, which could cost nearly $300 million, is in the early planning stages, and all the renderings of the Truxel Bridge include space for vehicles to pass from Truxel Road ...

Google says it will rename the Gulf of Mexico on its U.S. maps, and Mexico is pushing back. This wouldn't be the first body ...

An American Airlines regional jet went down in the Potomac River near Ronald Reagan Washington National Airport.

Seven or eight hundred thousand years ago, our section of the Ohio River was an insignificant stream flowing north, and the region to the south which was to become the ancestral homeland of hoopies ...

A timeline of the tragic collision between a commercial plane and a Black Hawk helicopter over the Potomac River, with ...

Barges are en route to the crash site and should be on site early Saturday morning to help salvage the aircraft debris, NTSB Member Todd Inman said during a briefing.

Through maps, videos, photos and radio transmissions, CNN is piecing together what occurred during the deadly, midair collision.

That's the same flight path that that plane and helicopter crashed last night on. Now, many have been wondering how did all ...