An unbearable heat wave gripping much of the southwestern United States is expected to peak Thursday, Aug. 7, as temperatures ...

ABC 10News brings you team coverage of the heat wave's peak throughout San Diego County expected on Thursday. The heat advisories for the inland and mountain areas will last until 8 p.m. Friday, as ...

Northern California's first heat wave of the summer is expected to begin later this week, bringing a stretch of sweltering temperatures above 100 degrees.

Blue whale songs dropped by 40% during and after a major marine heat wave. Scientists say the decline is tied to food loss ...

Once the heat wave passes, there will be slight cooling through the weekend. Parts of the Inland Empire and the valleys are ...

Southern California's heat wave will peak Thursday, bringing triple-digit temperatures to L.A. County. Hotter than normal ...

Whale songs provide key insight into ocean ecology, allowing scientists to make estimations on the prevalence of the species ...

Rising temperatures pose new challenges for firefighters who have made incremental progress against a massive wildfire in ...

Rising temperatures on Wednesday posed new challenges for firefighters who have made incremental progress against a massive ...

According to the National Weather Service, Thursday is expected to bring the peak heat, with temperatures around 104 degrees ...