Space tourism won't hurt environment, Branson says

British billionaire Richard Branson said Monday that rocket-powered space tourism flights by his firm Virgin Galactic would have only a minor impact on climate change.

Facebook spawns ecosystem of startups

To get the true measure of what's often called "The Facebook Effect," look beyond the company. Generally ignored in the klieg lights focused on Facebook's IPO is a growing ecosystem of other startups that are using the social ...

Aviation biofuel proves itself in tests, but is there enough?

Initial flight tests have found that jet fuel made partly of camelina, algae or other bio-feed stocks can reduce greenhouse gas emissions from airplanes by more than 50 percent, doesn't affect performance and presents no ...

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