NASA pours $67 million into solar electric spacecraft engines
It wants super-efficient power for missions headed to asteroids and Mars.
NASA successfully tests rocket engines designed for deep space
The original rocket engines may be old, but they're still powerful as heck.
$2 billion rocket company merger could create giant SpaceX rival
United Launch Alliance is a joint-venture between Lockheed Martin and Boeing that launches spy and...
Watch NASA test its main deep space rocket in a cloud of steam
If you thought NASA's recent booster rocket test for the Space Launch System was full of sound...