Smoke-shrouded skies in New Mexico

About 22,000 acres are now burning. Smoke from the fires shrouds southwestern New Mexico. Fire crews are standing by, waiting for the winds to die down.

Modern dog breeds unlike ancient ancestors

Modern dog breeds have little in common genetically with their ancient ancestors, according to a new study.

Joplin tornado tragedy one-year anniversary

Joplin tornado of May 22, 2011 was deadliest single U.S. tornado since 1950 and costliest tornado in world history. See videos. Learn how Joplin is rebuilding.

View from space: First named storm of 2012 Atlantic hurricane season

The storm watch for Tropical Storm Alberto along the U.S. East Coast was discontinued yesterday (May 20) as 5 p.m. EDT. See the view from space here.

Citizen scientists hit one million mark

Citizen scientists reached a major milestone in early May 2012 by contributing over one million observations on the environment to Nature’s Notebook.

Ancient turtle the size of a small car

Picture an ancient turtle the size of a Smart car, with a shell large enough to be a kiddie pool. Scientists have found the fossilized remains of just such a specimen.

Earthquake in northern Italy on May 20

It was a very strong earthquake to shake the region, seismologists said. Older buildings suffered damage: collapsed roofs, cracks in buildings. At least four reported dead.

First named storm of 2012 Atlantic hurricane season

Tropical Storm Alberto developed in the western Atlantic, off the South Carolina coast, yesterday and is the first named storm. It'll may head out to sea.

Emergency Alerts coming soon to your phone

The FCC, Department of Homeland Security, National Weather Service and other agencies collaborated to create this system for emergency alerts.

Yellowstone super-volcano less super, more active

The super-volcano beneath Yellowstone National Park may be less super, but more active, than previously thought. An eruption is "long overdue," say scientists.