Mountain lion mortality maps show rough road for cougars

As Los Angeles prepares to celebrate the life of beloved mountain lion P-22 this weekend, mountain lion mortality maps from the University of California, Davis, show that many cougars suffer similar fates along California's ...

ExxonMobil probed on climate science

ExxonMobil is being investigated by New York state on whether it lied to the public about the risks of climate change, a spokesman for New York's top prosecutor said Thursday.

Crowds pack beaches as California bakes in weekend heat wave

California is sweltering under a dangerous heat wave Labor Day weekend that was spreading triple-digit temperatures over much of the state, raising concerns about power outages and the spread of the coronavirus as throngs ...

Privacy, technology face off again

The tension between new technology and individual privacy is as old as Silicon Valley. Each advance that allows or impels us to share information or seek windows into others' lives is scary at first. Often the fears blow ...

Wildfire rages as California bakes under heat dome

Hundreds of firefighters endured triple-digit temperatures Thursday battling against a wildfire along a major highway, as the western United States bakes under a fearsome heat dome.

NASA's ARIA maps California wildfires from space

California continues to be plagued by wildfires—including the Woolsey Fire near Los Angeles and the Camp Fire in Northern California, now one of the deadliest in the state's history. NASA satellites are observing these ...

NASA study improves understanding of LA quake risks

A new NASA-led analysis of a moderate magnitude 5.1 earthquake that shook Greater Los Angeles in 2014 finds that the earthquake deformed Earth's crust across a broad region encompassing the northern Los Angeles Basin and ...

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