A casual look at Easter Island yields familiar and enduring images of stone statues scattered on a barren, wind-swept landscape—a popularized symbol of catastrophic environmental collapse. But what Britton Shepardson sees with archaeologist eyes...
2/21/2014 3:00 PM EST
A bird flapping its wings or a fish’s deep dive may be pictures of nature in action, but in their elegant simplicity Michael Shafer sees the complex challenges of merging technology with a biological system.
2/13/2014 12:00 PM EST
A group of researchers focused on sustainable practices, geography and earth sciences found something unexpected during their work in Central America: the effects of drug trafficking are leaving deep scars on a sensitive landscape.
1/30/2014 3:00 PM EST
A small, secretive creature with unlikely qualifications for defying gravity may hold the answer to an entirely new way of getting off the ground. Analysis of high-speed film reveals how salamanders—or at least several species of the...
1/29/2014 6:00 PM EST
Northern Arizona University joined an international team of scientists in discovering that two of the world’s most devastating pandemics—the plague of Justinian and the Black Death—were caused by distinct strains of the same pathogen.
1/27/2014 6:00 PM EST
As drylands of the world become even drier, water will not be the only resource in short supply. Levels of nutrients in the soil will likely be affected, and their imbalance could affect the lives of one-fifth of the world’s population.
10/31/2013 2:00 PM EDT
Lessons from underground nuclear tests and explosive volcanoes may hold the answer to how a category of unusual impact craters formed on Mars.
10/8/2013 4:00 PM EDT
For 30 years, a large near-Earth asteroid wandered its lone, intrepid path, passing before the scrutinizing eyes of scientists while keeping something to itself: (3552) Don Quixote, whose journey stretches to the orbit of Jupiter, now appears to be...
9/10/2013 5:00 PM EDT
The raging Australian wildfires that have killed more than 200 people and destroyed some 1,800 homes over the last few weeks can "absolutely happen in the western United States at any time this year," says forest ecosystem expert Wallace...
2/27/2009 1:00 PM EST
Northern Arizona University's Dr. David S. Brumbaugh, Director of the Arizona Earthquake Information Center, is available for comment about the earthquake in Los Angeles on Tuesday, July 29, 2008.
7/30/2008 8:00 AM EDT