Out of this world images from NASA
Credit: British Antarctic Survey
Sheldon Glacier - View of Sheldon Glacier with Mount Barre in the background, seen from Ryder Bay near Rothera Research Station, Adelaide Island, Antarctica. A new NASA/British Antarctic Survey study examines why Antarctic sea ice cover has increased under the effects of climate change over the past two decades.
Other Slideshows
Photos: JFK assassination artifacts
Photos: World's largest LEGO model
Photos | Qualifying for the Coca-Cola 600 
Photos | Bridge collapses in Washington state
Photos | Oklahoma continues recovery from Tornado
Photos | From goofy to geeky, Comic Con fans dress to impress
