Hubble sees boulders escaping from asteroid Dimorphos

Wayward asteroids present a real collision hazard to Earth. Scientists estimate that an asteroid measuring several miles across smashed into Earth 65 million years ago and wiped out the dinosaurs, among other forms of life, ...

LA education board approves continuing iPad plan

The nation's second-largest school district will move ahead with an ambitious $1 billion plan to provide iPads to all students after problems emerged when some of the first to get them used the tablets to tweet, text and ...

Oil extraction likely triggered mid-century earthquakes in L.A.

World War II-era oil pumping under Los Angeles likely triggered a rash of mid-sized earthquakes in the 1930s and 1940s, potentially leading seismologists to overestimate the earthquake potential in the region, according to ...

Four new mountain lions kittens found in California mountains

Four new mountain lion kittens have been found by researchers studying the wild cats living in Southern California's Santa Monica Mountains, wildlife officials announced in video posts Tuesday showing the blue-eyed babies ...

Authorities identify source of oil sheen off Huntington Beach

A day after an oil sheen was spotted off Huntington Beach, authorities believed they had identified and contained the source: a leak from the damaged area of a pipeline that ruptured in October, spilling an estimated 25,000 ...

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