Feathered dinosaur death site could be an "animal Pompeii"

A series of fossil discoveries in the 1990s changed our understanding of the lives of early birds and mammals, as well as the dinosaurs they shared an ecosystem with. All those discoveries had one thing in common: they came from a small region in northern China that preserved what is now called the Jehol Biota. » 2/05/14 7:20am 2/05/14 7:20am

What will really happen when the Yellowstone supervolcano erupts?

Lurking beneath Yellowstone National Park is a massive underground reservoir of magma, capped by the park's famous caldera. 640,000 years ago, a super eruption rocked the region. What would happen if another such event blasted the park today? We asked USGS geologist Jake Lowenstern, scientist-in-charge of the… » 5/17/13 2:32pm 5/17/13 2:32pm

Watch Europe's tallest volcano spew to life in a violent new eruption

It's been threatening to erupt for weeks, but on the morning of February 19th, Italy's Mount Etna finally blew, spewing rock, lava and gas skyward in what's being called the first big eruption 0f 2013, and among the largest of the Sicilian volcano's major eruptions in close to two decades. The scene was captured on… » 2/21/13 9:55am 2/21/13 9:55am

What will become of the massive volcanic pumice rafts spreading…

Last week, we told you about a 7,500-square-mile raft of pumice discovered floating in the Pacific Ocean, but more recent observations by NASA reveal that chunks of the volcanic rock have since spread over an area of 100,000 square miles. So people are starting to wonder: What will become of the pumice? » 8/22/12 4:40pm 8/22/12 4:40pm