Fusion & Fuel Efficiency Nuclear Fusion is potentially the ultimate green energy source, producing no dangerous byproducts, radioactivity (the only “waste” is helium), or greenhouse gases. And it ...

The document builds on the academies' decadal survey, outlining recommended missions for NASA's next New Frontiers program.

Mars, commonly known as the Red Planet, has had its rusty hue for much longer than previously thought. The key factor in this ...