Add Yahoo as a preferred source to see more of our stories on Google. The US Army says launcher-related issues have led to the scrapping of three planned tests of its Dark Eagle hypersonic missile ...

Israeli air strikes have hit hardened Iranian missile sites, and satellite imagery confirms damage at secretive military bases. Yet Iran continues to test, repair, and redeploy its ballistic missile ...

SIMI VALLEY, CALIFORNIA—The U.S. Army faces a longer wait for its Long-Range Hypersonic Weapon as issues with the missile’s launcher continue, though Pentagon officials say the problem should not ...