May 14, 2013 America's closer to energy independence, but the days of $2 gas are history.
May 14, 2013 A new satellite could tell us a lot about climate change.
Aug 21, 2013 It's cheaper and easier than ever to extract natural gas -- thanks in part to advances in controversial technologies like hydraulic fracturing. As technology advances over the next decade, will it stay that way?
Apr 22, 2013 The Rapid Equipping Force seeks solutions to problems soldiers encounter in the field -- such as packing pounds and pounds of batteries on patrol.
Apr 18, 2013 If you could see inside the cars on a freight train, you'd know more about which parts of the economy are up -- or down.
Apr 17, 2013 Reports over the past couple years have suggested sky-high U.S. carbon-dioxide emissions have been falling, but what about the global energy picture? A new report suggests its nothing to write home about.
Apr 10, 2013 School lunch programs with stricter nutrition standards may be helping to reduce obesity in children, especially those who receive free or reduced lunches.
Stacey Vanek Smith
Apr 4, 2013 Corn prices are tanking amid stuffed silos and plans for the country’s biggest planting in decades.
Apr 4, 2013 A promising new technology aims to store electricity for the power grid on the cheap.
Mar 22, 2013 Can natural-gas companies and environmental groups together set standards for fracking that will win the public's trust? An experiment in Pennsylvania will try.