Mountain building occurred all around the Yellowstone region and highlights a tortured geological history of uplift and volcanism. The Gallatin Range, just northeast of Yellowstone Caldera, is an ...

In a new wrinkle, some dam opponents have noted that legally protected California condors have been flying not far from the reservoir site.

Save Mount Diablo has revealed a robust lineup of outings on the mountain and its surrounding area this year for its Discover Diablo program, with the first in the series serving as an annual event ...

(KRON) — After the Mount Diablo Red Devils football team in Concord had their brand new, state-of-the-art field badly damaged with a giant burn scar in August, the players were forced to play their ...

CONCORD, Calif. - Mount Diablo High School is making plans to play their football home opener at another school after a destructive fire on the field. Concord police said surveillance footage shows a ...

CONCORD — A group of people who set a fire to the newly renovated football field at Mt. Diablo High may not even have known that their actions — shooting off possibly illegal fireworks — had resulted ...

CONTRA COSTA COUNTY, Calif. (KGO) -- Three schools in the Mount Diablo Unified School District have been transformed with a remodel inside and out, and the public got their first look on Tuesday ...

The vegetation fire broke out in the Southgate Road area, east of Mt. Diablo. Authorities had warned residents to prepare to evacuate, but later said "all clear." SAN RAMON, Calif. - A vegetation fire ...

A vegetation fire broke out near Mt. Diablo on Monday afternoon. The College Football Playoff committee 'really screwed up' this time Car bomb kills 5 people, including 3 officers, in front of police ...

SAN FRANCISCO (KRON) — Contra Costa County residents with views of Mount Diablo woke up to a beautiful, snowy sight Friday morning. A chilly and wet March storm dusted mountain peaks around the San ...