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.

Night - Clear. Winds NE. The overnight low will be 51 °F (10.6 °C). Partly cloudy with a high of 71 °F (21.7 °C). Winds variable at 4 to 7 mph (6.4 to 11.3 kph). Rain today with a high of 65 ...

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 ...

NASA’s trio of autonomous rovers is heading to the Moon as part of the CADRE mission, a groundbreaking experiment in robotic teamwork. These suitcase-sized explorers will operate independently, using ...

The threat posed by the space rock, estimated to be between 40 and 90 metres in diameter, is the highest ever recorded for an object of its size.

The challenge of post-fire recovery is one faced by communities around the world. Terms like “build back better” and “managed ...

An earthquake struck over the weekend near North Hollywood. The 3.9-magnitude quake was reported at 10:13 p.m. Sunday about a mile east-southeast of North Hollywood in the San Fernando Valley of Los ...

Pasadena. 626-449-9144. kidspacemuseum.org California African American Museum ... Parking $20 before 5 p.m.; $24 after 5 p.m. (parking lot entrance at West 39th and South Figueroa streets. Museum ...