The U.S. Air Force announced last Thursday that it's suspending plans for testing hypersonic rocket delivery systems on a ...

The U.S. Air Force has decided to terminate a project in collaboration with Elon Musk ‘s SpaceX. The project was intended to ...

NASA’s X-43A was a small, unmanned experimental aircraft that, in 2004, shattered world records by flying at nearly Mach 10 (almost 7,000 mph), becoming the fastest air-breathing vehicle in history.

WASHINGTON (Reuters) -The U.S. Air Force has suspended plans it had proposed with Elon Musk's SpaceX to test hypersonic ...

The US Air Force has suspended plans it had proposed with Elon Musk's SpaceX to test hypersonic rocket cargo deliveries from ...

Citing environmental concerns, the US Air Force has decided to suspend SpaceX's hypersonic rocket cargo tests.

Biologists and conservationists earlier raised concerns that rocket landings could severely disrupt nesting grounds for 14 ...

The U.S. Air Force has paused its plan to test hypersonic rocket cargo deliveries with Elon Musks SpaceX from Johnston Atoll, ...

Senior Pentagon officials are increasingly concerned by China's advancing hypersonic and nuclear capabilities.

A hypersonics weapon startup is lining up a massive new funding round to scale its business with the U.S Department of ...

The site picked for testing was Johnston Atoll, an island in the North Pacific. The site made geopolitical sense, offering a ...

A great frigatebird chick scolds neighboring seabirds as they fly past its nest on Johnston Island, within the Johnston Atoll ...