China said Wednesday that it had successfully test-fired an intercontinental ballistic missile into the Pacific Ocean, in a rare public test that may raise international concerns as the country builds ...

GYEONGJU, South Korea — President Donald Trump on Thursday morning said he had directed the Pentagon to begin testing nuclear weapons “on an equal basis” with Russia and China, an apparent attempt to ...

The US Food and Drug Administration has given marketing clearance to a blood test to help diagnose Alzheimer’s disease, making the test the first to get signoff to aid in the early detection of the ...

A US-based propulsion company, Venus Aerospace, said Wednesday it had completed a short flight test of its rotating detonation rocket engine at Spaceport America in New Mexico. The company’s chief ...

The high-speed uncrewed test aircraft performed its first flight at Edwards AFB, just a year after the launch of the development. Hermeus, a U.S. company aiming to develop hypersonic aircraft quickly ...