WASHINGTON — A United Launch Alliance Vulcan Centaur rocket lifted off early Feb. 12 on a multi-manifest national security mission, sending payloads directly to geosynchronous orbit more than 22,000 ...

Moments after liftoff from Florida’s Space Coast early Thursday morning, a shower of sparks emerged in the exhaust plume of United Launch Alliance’s Vulcan rocket. Seconds later, the rocket twisted on ...

Geostationary orbit simulation in GlowScript VPython: a practical tutorial that demonstrates orbital mechanics and physics-based visualization of satellites maintaining a fixed position relative to ...

Under the new GHOST-R effort, the Defense Innovation Unit hopes to have a high-resolution bird operating on orbit within 24 months.

A United Launch Alliance (ULA) rocket had a bumpy ride delivering its national security payload to geosynchronous orbit, releasing a cloud of debris reminiscent of an anomaly that tainted an earlier ...

A United Launch Alliance Vulcan rocket carrying a suite of classified Space Force payloads suffered what appeared to be a burn through in the nozzle of a strap-on solid-fuel booster Thursday, but ...

Add Yahoo as a preferred source to see more of our stories on Google. A United Launch Alliance Vulcan rocket carrying a suite of classified Space Force payloads suffered what appeared to be a burn ...

ULA’s Vulcan Centaur suffered another solid rocket booster anomaly on its USSF-87 launch, yet still delivered satellites to geosynchronous orbit while data is reviewed.> Supreme Court gives Trump — ...

A United Launch Alliance Vulcan rocket is scheduled to launch a Space Force mission from Cape Canaveral. The USSF-87 mission will deploy a "neighborhood watch" spacecraft to monitor objects in ...

United Launch Alliance launched its first mission of 2026 with the USSF-87 mission from Cape Canaveral Space Force Station in Florida. Vulcan Centaur V-005, with four solid rocket boosters in the VC4S ...

The launch of NASA’s SpaceX Crew-12 mission to the International Space Station was pushed back a second time in as many days because of weather. But that delay opens a window for the launch of a U.S.

This image was taken from the International Space Station on March 8, 2004, from a position off the coast of Mauritania. (NASA/DVIDS) The Pentagon is looking for cheap commercial satellites that can ...