Get ready Friday for the first of a three-part, several thousand-page worldwide climate report. Photo of melting ice caps by KEENPRESS/Getty Images. On Friday, the Intergovernmental Panel on Climate Change will release the first part of its fifth assessment report…
An Oyster Recovery Partnership boat scatters oyster shells covered in oyster larvae into the tributaries of the Chesapeake. Photo by the Paynter Lab/University of Maryland. For centuries, the oyster beds in the Chesapeake Bay were so massive they rose above…
Rising levels of ocean acidity is bad news for pteropods or "sea butterflies", a species that plays a critical role in its ecosystem. Photo by Nina Bednarsek/NOAA SEATTLE - It's a sunny and mild summer's day in the Pacific…
A plan to reintroduce the red-legged frog in Los Angeles County's Santa Monica Mountains has been complicated by an unforseen factor - illegal marijuana farms. Photo by USGS and Adam Backlin It was the red-legged frog -- a…
Fight Over Gun Control in Colorado Draws National Attention to Recall Elections…
United Nations arms experts arrive to inspect a site suspected of being hit by a deadly chemical weapons attack last week on the northeastern outskirts of Damascus. Photo by Mohamed Abdullah/AFP/Getty Images. The deadly nerve gas Sarin…
PBS NewsHour producer Cat Wise and videographer Jason Lelchuk were among the first film crews allowed access to the Hetch Hetchy Dam, which is in the fireline of the massive Rim Fire in Yosemite National Park. Photo by Cat Wise.
EmbedVideo(7249, 482, 304); Mei Xiang delivers a panda cub on August 23. Video by Smithsonian's National Zoo. On Friday afternoon, a live panda cam captured giant panda Mei Xiang at the moment her water broke, and two hours…
Walter White demonstrates chemistry as "the study of change" in the pilot episode of AMC's Breaking Bad. Photo by AMC's Breaking Bad. With "Breaking Bad's" return to the airwaves and approaching series finale, we can't help but pause…
People around the world shared more than 1,400 images of themselves as part of the Wave at Saturn event organized by NASA's Cassini mission. The mission has assembled this collage from the shared images. Photo courtesy of NASA/JPL-Caltech. In…
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