NASA and contractor engineers pumped more than 750,000 gallons of supercold propellants into the agency's huge Space Launch System rocket Thursday without any signs of hydrogen leaks in a major step ...

Cedar Park–based Firefly Aerospace Inc. is preparing to relaunch its previously grounded Alpha rocket. The rocket maker is planning its seventh Alpha test flight this month, a pivotal moment for the ...

A SpaceX rocket carried two dozen Starlink satellites into low-Earth orbit after a Valentine's Day evening launch from the California coast that produced a spectacle in the night sky over Los Angeles.

This USSF-87 mission is the ULA rocket's longest to date and carries its heaviest payload. The mission is meant to deploy a spacecraft to an orbit nearly 90 times higher than the International Space ...

United Launch Alliance's Vulcan rocket is preparing for its fourth launch and second national security mission. The upcoming mission will carry the rocket's heaviest payload to date on its ...

SpaceX is scheduled to launch a Falcon 9 rocket from Florida on Valentine's Day, Saturday, Feb. 14. The rocket will carry 29 Starlink satellites into low-Earth orbit. Depending on conditions, the ...

CAPE CANAVERAL, Fla. (AP) — NASA ran into a leak while fueling its new moon rocket Monday in one final make-or-break test that will determine when astronauts can launch on a lunar fly-around. The ...

Add Yahoo as a preferred source to see more of our stories on Google. The towering rocket NASA will use to help propel four astronauts on a historic trip around the moon is vertical on the launch pad, ...

Rocket Lab Corporation (RKLB) announced that its Neutron rocket's Stage 1 tank ruptured during a hydrostatic pressure trial. The company noted that testing failures are not uncommon during ...

Demand for missiles is a key driver of the booming solid rocket motor market. Credit: PR Library/Alamy Stock Image Two defense technology startups intent on breaking into the red-hot solid rocket ...

The $600 billion space sector should keep getting bigger next year as startups and established companies alike ramp up their efforts. Elon Musk and his SpaceX are leading that charge. The potential ...

OpenAI CEO Sam Altman is looking to build, fund or buy a rocket company to possibly compete in the space race against longtime rival Elon Musk, according to reports. The Wall Street Journal reported ...