A spokesperson for Sierra Space told Ars the spaceplane's launch is scheduled for the third or fourth quarter ... Sierra ...

Sierra Space, a frontrunner in commercial space ventures and emerging defense technologies, has unveiled a remarkable ...

"This is the year that we transition from rigorous research and development to regular orbital operations and — in doing so — ...

It's a launch doubleheader today at Cape Canaveral Space Force Station — kicking off with a mid ... along with a test of the ...

The Federal Aviation Administration is preparing to start an environmental review of SpaceX Starship launches from a pad at ...

The FAA releases a notice of intent to produce an environmental impact statement on the effects of proposed Starship launches ...

Rules were observed, protocols followed, but the launch of the space shuttle Challenger still turned to tragedy.

Private space company Rocket Lab announced the completion of the first Archimedes rocket engine, the one meant for the ...

Launch recap: Scroll down to review live coverage of the Sunday, April 28, liftoff of a SpaceX Falcon 9 rocket from Cape ...

For decades, the Global Positioning System (GPS) has maintained a de facto monopoly on positioning, navigation and timing, ...

The scrub delays for at least a short while longer what would have been a milestone for the company's new shuttle system. A ...

A crew of super-smart talking babies. A monster called the Boogeyman made out of bogies. A space station, fuelled by years of ...