An American replication of Israel's defense system doesn’t make sense. But, experts say, it will likely set up SpaceX for big ...

Trump has called for the U.S. to draw down defense spending and work with Russia and China toward joint nuclear disarmament.

North Korea may start mass-producing intercontinental ballistic missiles that are capable of reaching the United States, the Senate learned from the Pentagon's commander of continental defenses. Air ...

The first of two vessels carrying 1,000 tons of a Chinese-made chemical that could be a key component in fuel for Iran’s ...

China is rehearsing for war, U.S. Indo-Pacific commander says. Navy Adm. Sam Paparo used sharper words than usual to describe ...