Did China make a scientific breakthrough that might lead to a hypersonic jet that can cross the Mach 6 barrier? Chinese ...

In an accidental leak, Jeffrey Goldberg, editor-in-chief of The Atlantic, was included in a chat among top security officials ...

Since then, the world has changed dramatically. China has experienced a remarkable ascent. It now competes with the United ...

U.S. officials are meeting separately with Ukrainian and Russian officials in hopes of hammering out a partial ceasefire in ...

Not so long ago, the F-35 fighter jet was the hottest ticket in the international arms market. Though it had suffered ...

When you throw a boomerang, you must be careful that it does not swoop back and hit you. Donald Trump risks such ricochet by ...

Citing fears that the US may use weapons support as leverage against Denmark, Rasmus Jarlov said buying American weapons is ...

Canada and Portugal, both longstanding buyers of U.S. weaponry, have hinted they might back away from deals that once seemed ...

US military officials are scrambling to develop a “Golden Dome” defense system that can protect the country from long-range ...

The Department of Government Efficiency is shuttering organizations that Beijing worried about most, or actively sought to ...

The Pentagon’s intelligence and law enforcement arms are investigating what it says are national security leaks — personnel ...