Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

Blue Origin launched its massive new rocket on its first test flight Thursday, sending up a prototype satellite to orbit ...

Assembly of the Artemis II moon rocket has reached its latest milestone with the stacking of the twin boosters' right forward ...

California-based space company Rocket Lab will launch more hypersonic test vehicles for the U.S. Military, as the Department ...

While SpaceX lost the upper stage of its new Starship in a flight test, the futuristic spacecraft presages a spaceflight revolution, says a leading U.S. space scholar.

Starship experienced a "rapid unscheduled disassembly," which is a phrase SpaceX coined to describe an explosion.

Elon Musk's SpaceX's Starship test flight ended in failure as the spacecraft exploded and broke apart, following a suspected ...

Teams with NASA are gaining momentum as work progresses toward future lunar missions for the benefit of humanity as numerous ...

Flawed rocket launches by SpaceX and Blue Origin still leave both companies in position to dominate the space sector.

NASA's TES-22 CubeSat launched with tech that speeds up satellite deorbiting to clear space debris. It carries technology to ...

Rocket Lab USA Inc. scored two new deals this month for launches for two government agencies. In the first, the Long Beach ...

General Atomic's new nuclear fuel was subjected to the maximum heat of a reactor for 20 minutes in the latest tests.