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A warm winter and dry spring could be making bees more vulnerable.

The action forces Caltech to compete for control of the La Cañada Flintridge institution it has managed since NASA's inception in 1958.

In announcing its findings, the EPA cited federal lead standards only, and not California's more stringent thresholds.

Victor Glover, who grew up in the Inland Empire, is now the only pilot to have flown NASA's Orion capsule.

Brown pelicans and other coastal birds are appearing at rescue centers in droves as Pacific heat wave broils coastal waters ...

The expanded number of teams at this year's men's World Cup will help make the games the worst for the climate in history, mainly because of massive air travel.

The 19 infections were linked to Kaiser's medical center in Santa Clara. Most of those who fell sick are recovering at home, Kaiser said in a statement last week.

Officials have confirmed a measles case in a Los Angeles County resident who recently traveled internationally.

California health officials have released new scientific findings that suggest the health risks from exposure to two air toxics present in ambient air, acrolein and ethylene oxide, are worse than previously known.

The MV Hondius was the epicenter of the first-ever deadly outbreak of hantavirus aboard a modern cruise ship. Was this a freak occurrence, or a sign of things to come?