NASA study confirms biofuels reduce jet engine pollution

Using biofuels to help power jet engines reduces particle emissions in their exhaust by as much as 50 to 70 percent, in a new study conclusion that bodes well for airline economics and Earth's environment.

Tech execs running the commercial space race

Richard Branson's Virgin Galactic company is reeling from the loss of SpaceShipTwo, which crashed in California's Mojave desert on Friday, killing one of its pilots and seriously injuring the other. Branson, a billionaire ...

Amazon's chief Jeff Bezos unveils new rocket design

Amazon founder Jeff Bezos unveiled plans Monday for a massive rocket called New Glenn designed to launch people to space and propel satellites into orbit, raising the ante in the US commercial space industry.

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