Science editor Alan Boyle's blog: After a long delay due to legal snags, a skydiver is once again gearing up for a supersonic free-fall that would break a record set 52 years ago.
The recent delay of the next manned launch to the International Space Station because of a damaged Russian space capsule highlights NASA's critical need for commercially built vehicles, space policy experts say.
This year is key for Virgin Galactic's bid to become the first commercial spaceliner service, as rocket-powered flights of its SpaceShipTwo are on the books for summer.