Since silicic magmas are colder and goopier than mafic magmas, dissolved gases have a harder time venting out of them. This ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week’s contribution is from Jesse Mosolf, geologist with the ...

RENO, Nev. — Scientists long have believed that mass extinctions are triggered by sudden global changes in climate. Some of these cataclysmic events, like the one originally assumed to have wiped out ...

The geology of Washington state varies wildly from region to region, belying the great medley of events -- ancient and more recent, catastrophic and systematic-- that formed it. And in no part of the ...

Sometimes, a hole in the ground is just a hole. Other times, it’s a portal to an underground cave spanning miles in width and length. You don’t really know what’s inside unless you dive into the void.

Bulletin: ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT SUNDAY... * WHAT...Temperatures between 34 and 38 degrees will result in some areas of frost ...