California won't immediately list Joshua tree as threatened

California won't be listing the iconic western Joshua tree as a threatened species for now after the four-member Fish and Game Commission couldn't reach agreement Thursday on how best to protect the plant from climate change.

Ticks and endangered voles linked by migrating birds

Migrating birds probably did it. That's what University of California, Davis, epidemiology professor Janet Foley says after DNA detective work confirmed that a disease-carrying tick only found in the southeastern United States ...

Tropical Storm Hilary bears down on California

Heavy rains lashed California on Sunday as Tropical Storm Hilary raced in from Mexico, bringing warnings of potentially life-threatening flooding in the typically arid southwestern United States.

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