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A study found heavy metals — including arsenic and lead — in over a dozen leading tampon brands, raising concerns about a menstrual hygiene product used by millions of Americans.

Thunderstorms are forecast for California, just as a long-running heat wave finally eases and vegetation is totally dried out.

California's extended heat wave means some forests are primed to burn. Protect yourself, your family and your neighborhood by preparing now for wildfire.

California emergency officials asked residents to create action plans, look out for others and heed warnings with more hot, dry, windy conditions ahead.

Six-rayed sea stars make great moms! Unlike most sea stars, mama 6-rayed sea stars are VERY involved in their kids' lives, caressing and protecting their babies for months. When they're big enough, the youngsters venture out on their own to ruthlessly hunt down their tiny prey.

California's unregulated kratom market endangers public health, warns Assemblymember Matt Haney. A new bill aims to impose strict regulations, including labeling and age restrictions.

Days before the final deadline, California lawmakers have settled on language for a $10 billion climate bond that voters could approve in November.