Caltech is putting up 25 air monitoring sites on rooftops and poles in Altadena (some in Pasadena) to measure PM10 pollution ...

Caltrans is scheduled to close the following freeway ramps and turn lanes of US Route 101, State Route 110 and Interstate 405 ...

A Washington Post analysis shows that some officials knew of the fire’s westward spread hours before evacuation orders were sent to residents in western Altadena.

Located off the coast of Ecuador, Paramount seamount is among the kinds of ocean floor features that certain ocean-observing ...

A report published Tuesday identifies ways historically neglected communities most vulnerable to climate change, like Tome’s, can create resilient water and wastewater systems. Its highlights include ...

As you're driving around L.A. this week and next, plan to pull over and pull out your camera: The mountains all around us are ...

Use this map to pick a spot to see the LA Marathon in person on Sunday, March 16, from Dodger Stadium to Century City.

This is crazy.’” Pasadena Unified isn’t alone: Nearly 2,000 teachers in about 40 California school districts have received preliminary layoff notices in recent weeks, according to the ...

Tetra Tech, the Pasadena-based consulting and engineering ... of Defense and its development work centers on places like the South China Sea that are critical to national security, priorities ...

After the catastrophic Eaton fire tore through her community, Altadena resident Amanda McPhillips moved her children out of the Pasadena Unified ... Odyssey Charter School-South and Rosebud ...

La Loma Road is a $3.8 million Craftsman home in Pasadena originally built in 1882, making it one of the oldest houses in the ...

While Kristen Stewarts turns ‘The Chronology of Water’ into a movie, its author revisits her past in a new memoir, ‘Reading ...