SEOUL, South Korea — North Korea said Tuesday it had conducted the final ground test of a solid-fuel rocket engine for a long-range ballistic missile in its latest advancement toward having an arsenal ...

A Colorado-based company is set to advance its Draper engine for space-based defense. Ursa Major’s revolutionary new engine is designed for hypersonic defense, in-space propulsion. The company has ...

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 ...

The Chinese company Galactic Energy launched its solid-propellant rocket this morning (May 19) from a ship at sea. The Ceres-1 rocket launched today from the waters off the east coast of China's ...

The Vulcan has launched on its second-ever national security spaceflight in what will be the biggest test yet for ULA's ...

Colorado-based engine maker Ursa Major has secured an order for its developmental Draper rocket powerplant. The propulsion start-up on 17 September said it had received a $35 million contract from an ...

For Florida rocket launches, there's typically a rumble that follows after liftoff. Sometimes windows shake in areas closest to NASA or Cape Canaveral ...