The materials might one day be used to make "optical black holes" in the lab.
Investors buy almost a third of the space tourism company.
Could injections of brown fat treat obesity?
NASA has developed a robotic device that can help astronauts live and work on the moon and eventually Mars.
The prototype electric-drive system is built into one of the company's existing vehicles.
Hundreds of applications that use software updates are making computers more vulnerable to attack.
The long-awaited netbook might be the kiss of death for the Kindle.
A new game asks users to help refine search results.
Test maneuvers for a stuck Mars rover are on hold for evaluation, set to begin again next week.
Reprogrammed cells pass the ultimate test of flexibility.