Karen Heller

Cutting or eliminating greenhouse gas emissions is the aim of two new developments in Valencia and Tejon Ranch.

Diablo Canyon is supposed to start closing in a few years, but a Stanford-MIT report says keeping it open would help California transition to clean energy more cheaply and cleanly.

LAUSD requires students and staff to submit a COVID test before returning to school on Tuesday. More than 60,000 have tested positive, and that has parents worried.

Since Californians voted to legalize recreational marijuana five years ago, almost 20 states now allow recreational reefer, and polls show roughly two-thirds of Americans support…

More than 700 people face federal charges for storming the U.S. Capitol on Jan. 6, 2021.

U.S. hospitals are bracing for another winter surge as they face a shortage of medical supplies, such as wheelchairs, crutches, syringes, and more.

Artificial intelligence can predict breast cancer years before it shows up on a mammogram, according to a new MIT study .

We may need additional booster shots down the line, but for now the fully vaccinated are well protected against Omicron, according to Dr. Michael Wilkes of UC Davis.

Assembly member Ash Kalra defends AB 1400, his bill that would establish California universal health care by taxing businesses and citizens.