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Certain types of wetlands are extraordinarily efficient at storing carbon through biological sequestration. The Great Dismal Swamp is an especially...

Nitrogen and phosphorus are essential nutrients—yet too much of a good thing is not always a good thing. Scientists are investigating nutrient...

Managing 72 million acres of Federal lands in Alaska is not easy, especially when the land’s many uses need to be balanced. There are several...

Amphibians—the big-eyed, swimming-crawling-jumping-climbing group of water and land animals that includes frogs, toads, salamanders and worm-like...

Richard Batiuk got to know the Chesapeake Bay in the early 1970s. During visits with his friends and family, they would swim and boat, and fish would...

Six years ago, veterans returning from Iraq and Afghanistan had trouble breathing normally. The list of potential causes that soldiers were exposed to...

While major geomagnetic storms are rare, with only a few recorded per century, there is significant potential for large-scale impacts when they do...

In early September of 2010, a pattern of increased earthquake activity occurred at the Mount Merapi volcano in Indonesia. A few days later, an...

Billions of dollars and a decade worth of research are on the line in the instant that a spacecraft touches down on Mars. When deciding where to land...

On March 24, 1989, the Exxon Valdez ran aground in Prince William Sound, Alaska, spilling nearly 11 million gallons of crude oil. At the time, the...