Talk of replacing the American nuclear umbrella over Europe with the small British and French nuclear armories is in the air, ...

Update: SpaceX and NASA called off the Wednesday launch due to a ground issue on the hydraulic system for clamp arms holding the Falcon 9 rocket in place on the launch pad. Another attempt will ...

Here’s how it works. SpaceX's Crew-10 astronaut mission has arrived at the International Space Station, ending a 28-hour orbital chase. Crew-10 launched on Friday evening (March 14) atop a ...

Liftoff occurred at 2:43 a.m. ET on Saturday (March 15). A SpaceX Falcon 9 rocket launched 74 satellites from central California early Saturday morning (March 15), then came back to Earth for a ...

SpaceX successfully launched Crew Dragon 10 to the International Space Station Friday night on a mission that will return NASA’s two stranded astronauts back to Earth after nine long months ...

Powering spacecraft with solar energy may not seem like a challenge, given how intense the sun's light can feel on Earth.

SpaceX has called off its plans to launch four people into orbit Wednesday night as part of a mission to bring back two crewmembers onboard the infamous Boeing Starliner. The SpaceX Dragon capsule ...

Water in the chamber slows the reaction, preventing bomb-like efficiency (yield ~1-20 kt vs. NSWR’s distributed energy). Project Orion Similarity Orion Concept: Project Orion used nuclear bombs ...

The nuclear bombs would be far away. Nuclear bomb use for solar system propulsion would not be more dangerous than any means of faster propulsion for space ships. – worry about fallout. Fallout only ...

Launch recap: Scroll down to review live updates from the Saturday, March 15, sunrise liftoff of a SpaceX Falcon 9 rocket from Cape Canaveral on the Starlink 12-16 mission. Original story ...