Major air pollutants have declined in recent decades, but USA TODAY’s analysis shows wildfire smoke is taking their place.

The earthquake was centered in Almanor at a depth of -1.4 kilometers (about -0.86 miles). The USGS said it received 17 ...

Rescues were underway after almost 100 people were killed in a powerful earthquake that hit Tibet on Tuesday Chinese media ...

In an almost offhand digression Tuesday, president-elect Donald Trump idly mentioned he was going to change the name of the ...

The U.S. Geological Survey released a new hazard map which ... Solar storms may bring northern lights to several states in the northern U.S. just in time for New Year's Eve, but cloud cover ...

At least nine people have been killed after a powerful earthquake struck a remote region of Tibet on Tuesday morning, ...

Rescuers were searching through rubble after a powerful earthquake killed almost 100 people in Tibet on Tuesday Chinese media reported.Footage released by Tibet’s fire service shows rescue efforts ...

A light, 4.7-magnitude earthquake struck in Northern California on Wednesday, according to the United States Geological Survey. The temblor happened at 6:34 p.m. Pacific time about 2 miles ...

A 2.9 magnitude earthquake struck off the coast of Isla Vista on Monday. The United States Geological Survey (USGS) reports ...

The Kansas Geological Survey’s library of drill cores, which currently includes over 73,000 boxes of rocks, is expanding to ...

A stretch of seismic activity felt in and around the Commonwealth during November and December drew some extra interest from ...

A 1.9 magnitude earthquake shook parts of Fairfield County around 7 a.m. on Wednesday. The U.S. Geological Survey recorded ...