| Aug 25, 2014
| 6:05 PM
SAN JOSE, Calif. The earthquake that rocked Napa on Sunday stressed three adjacent faults, but the likelihood that it could trigger a major new earthquake is a diminishing risk, federal geologists said Monday.
The 6.02 magnitude earthquake on the West...
| Aug 24, 2014
| 4:05 PM
The biggest San Francisco Bay Area earthquake in a quarter-century rattled the region early Sunday morning, with a 6.0 shaker destroying buildings in Napa County, Calif., causing dozens of injuries and knocking out power to tens of thousands of buildings....
| Aug 21, 2014
| 6:47 PM
A year and a half of drought has depleted 63 trillion gallons of water across the Western United States, according to a new study that documents how the parched conditions are altering the landscape.
The loss of groundwater, as well as surface water...
| Aug 17, 2014
| 5:00 AM
Montana farmer Rocky Norby has worked the land along the Missouri River for more than 20 years, coaxing sugar beets and malted barley out of the arid ground.
"Every year it gets worse," he said. "There's not enough water to get through our pumps."...
| Aug 11, 2014
| 10:05 AM
MILWAUKEE To understand earthquakes, scientists have hatched an audacious plan go straight to the source.
That means drilling miles-deep into the earth, directly through faults where two plates of the earth's crust come into contact.
Geologists at the...
| Aug 9, 2014
| 8:20 PM
The Cascadia Subduction Zone hasn't ripped in more than three centuries, so it's surprising scientists know as much about it as they do.
On land, geologists have unearthed a 5,000-year record of megaquakes and tsunamis, based on the fact that the...
| Jun 17, 2014
| 8:32 PM
When Austin Holland was being considered for his job as the sole seismologist at the Oklahoma Geological Survey in 2009, his interviewer posed a wry question: "Are you going to be able to entertain yourself as a seismologist in Oklahoma?"
Back then, the...
| Jun 19, 2014
| 6:00 AM
Scientists say it would have been a catastrophe of unprecedented proportions. If the Glen Canyon Dam had failed, it would have changed the lives of millions of people and reshaped the history of the American West.
Only a lucky break in the weather...
| Jun 26, 2014
| 12:00 PM
At the edge of a desert in southern Namibia, scientists have found the remains of the oldest known animal reef system in the world.
The reef was constructed 548 million years ago in what was once a shallow sea. Prior to its discovery, the oldest...
| Jul 2, 2014
| 5:10 PM
Male fish carrying eggs – intersex fish – have been found in Pennsylvania's Susquehanna, Delaware and Ohio river basins, a sign that the water may be tainted with chemicals, according to the U.S. Geological Survey.
The research found that...
| Jul 3, 2014
| 1:18 PM
Oklahoma has seen a boom in two things in recent years: oil and gas production and earthquakes.
To many residents, the timing says it all. Before the oil and gas industry started drilling so many underground injection wells, they say, it was rare to...
| Jul 4, 2014
| 5:44 PM
Pennsylvania's Department of Environmental Protection has begun an extensive sampling of chemical contaminants in response to the discovery of intersex fish in three of the state's rivers, a department spokeswoman said.
Male fish carrying eggs were...