NASA's new moon rocket sprang another hazardous leak Saturday, as the launch team began fueling it for liftoff on a test flight that must go well before astronauts climb aboard. For the second ...

Rocket Lab plans to launch its Electron rocket from Virginia's Wallops Flight Facility at midnight, Dec.18. The mission will deliver four experimental disk-shaped satellites into orbit for the U.S ...

When the six tiny spacecraft of NASA's SunRISE (Sun Radio Interferometer Space Experiment) mission settle into their orbits high above Earth after launching later this year, they'll function as one ...