Around 540 million years ago, Earth's biosphere underwent a pivotal transformation, shifting from a microbe-dominated world ...

New research may have solved an American mystery which has baffled geologists for a century and a half: How did a river carve ...

This makes the story of how the Green and Colorado Rivers met so perplexing to geologists like Adam Smith at Scotland’s ...

As crews repair a sinkhole on eastbound Interstate 10, here's a look at past cases in greater Houston.

19 Earthquakes Rock San Francisco Bay Area in 2 Hours on a Fault Feared to Trigger 'The Big One' ...

Data from the USGS shows the seismic events have ranged in strength from 2.5 up to 4.2 in magnitude.

New research may have solved an American mystery which has baffled geologists for a century and a half: how did a river carve ...

The finding "may be the hidden answer to more tectonic mysteries than we’ve previously realized," said geologist Adam Smith.

San Ramon, Calif., has been rattled by dozens of small earthquakes in recent months. Even in a region used to regular shaking, it’s been a lot.

Just hours after the Super Bowl teams landed in the Bay Area, the region was shaken by something other than football ...

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A magnitude 4.2 earthquake struck San Ramon, California, on Monday morning, about 25 miles from Levi’s Stadium in Santa Clara, where Super Bowl 60 will be played Sunday.