Rocket Lab launches Space Force and NASA ‘DiskSat’ experiment  Rocket Lab set to launch Space Force and NASA ‘DiskSat’ ...

Such "countdown demonstration tests" have traditionally taken place shortly before launch with the rocket and crew ship ...

A major step toward launch day is complete as NASA's Artemis II astronauts ran through a countdown demonstration test.

The Space Launch System rocket's RS-25 engine was fired up for the “final round of certification testing ahead of production of an updated set of the engines," according to NASA. The test occurred at ...

NASA’s launch and mission teams, along with the Artemis II crew, completed a key test Dec. 20, a countdown demonstration test, ahead of the Artemis II flight around the Moon early next year.

NASA's Reactive Additive Manufacturing for the Fourth Industrial Revolution (RAMFIRE) project test-fired a 3D-printed engine ...

Artemis II will mark humanity's first crewed journey beyond low Earth orbit since Apollo 17 in 1972. The approximately 10-day ...

The same historic facilities that some 50 years ago prepared NASA's twin Voyager probes for their ongoing interstellar ...

NASA’s plans to launch astronauts to the moon in early 2026. The Artemis II mission is expected to carry a crew around the ...

Watch SpaceX launch 29 Starlink satellites as a Falcon 9 rocket lifts off from Cape Canaveral shortly after midnight on Dec. 15 ...

If you thought 2025 was an exciting year for spaceflight, just wait until 2026. Here's a look at six missions that could define the year.

New Glenn is vertical on the pad and its engines are hot. The second-ever liftoff of Blue Origin's powerful New Glenn rocket is approaching as the launch vehicle undergoes final checkouts at Launch ...