Climate

After decades of mounting tension between scientists and Native Hawaiians, Caltech has completed its removal of a telescope from the summit of Mauna Kea, a dormant volcano that is revered …

Western burrowing owls are diminutive, adorable and goofy — and conservation organizations have renewed calls for the state to protect them before it’s too late. Now, more than 20 years …

In India and China, torrential rains have killed more than 250 people in the last week. Three others died in Pakistan. Widespread flooding has been reported in North Korea near …

Southern California air regulators have adopted a first-of-its-kind rule to curb smog-forming pollution from freight trains and cargo trucks that serve the region’s rail yards. The South Coast Air Quality …

Chevron, the oil giant that was founded in California some 145 years ago, said Friday that it is relocating its headquarters from the Bay Area to Houston. The announcement, which …

Wildlife rescuers are reporting an uptick in diseased sea lions along California’s Central Coast. The culprit: domoic acid, a neurotoxin produced by harmful algal blooms. The toxin accumulates in filter-feeding …

Although health officials say the risk of H5N1 bird flu infection is still low for the general population, they announced on Monday a $5-million plan to offer seasonal flu vaccine …

Summer isn’t even half over in California, and wildfires have already scorched more than 763,000 acres, straining firefighting resources, forcing evacuations and destroying homes. The total dwarfs the average amount …

The whole scene lasted just over a minute. The crucial dialogue, not even 15 seconds. But when a character from HBO’s “Sex and the City” ordered steak tacos at Chipotle …

PARIS —  The thermometer read 95 degrees but down on the beach volleyball court, with all that gleaming white sand, it felt like 102. The players used a short break to …