August 21, 2014, 11am PDT
Until recently, California's Monterey Shale was estimated to have the nation's highest amount of recoverable oil. Then the Energy Department revised their estimates, lowering it 96%, which turned out to be bad news for fracking moratorium advocates.
February 10, 2012, 10am PST
NASA's amazing high definition update of its infamous "Blue Marble" photograph of Earth is disturbing not for what can be seen, but for what cannot.