U.K. start-up Pulsar Fusion has unveiled plans to build a fleet of reusable nuclear fusion-powered rockets, known as Sunbirds, that could cut journey times across the solar system in half. But not ...

Students watched the spacecraft carrying their experiment explode. — -- Four Tennessee students had the thrill of watching their science experiment being launched into space on board SpaceX's ...

Step into the hidden science lab in your kitchen with five easy experiments that explain refraction, surface tension, ...

NASA and the University of Colorado Boulder will launch a 60-foot rocket out of New Mexico on Friday, which, once launched, will reach the speed of sound within seconds and complete its scientific ...

(This story has been updated with the latest target launch time information.) United Launch Alliance crews are now targeting 7 p.m. EDT Wednesday, April 9, to launch an Atlas V rocket carrying ...