Israel’s missile defense system is effective in close quarters. That model won’t help the U.S.

The Russian Foreign Ministry's special ambassador said Moscow may decide to favor the "quantitative and qualitative increase" of nuclear arms.

I N THE LATE 1980s Edward Teller, the father of the hydrogen bomb, and Lowell Wood, an astrophysicist, proposed a seemingly ...

The central question that defines Donald Trump's presidency is not just his policies or public rhetoric, but whether he is ...

Russia and China have stepped up military activity in the Arctic, while NATO states in the region are reporting more acts of ...

Mads Petersen, owner of Greenland-based startup Arctic Unmanned, sat in a car to keep warm while he tested a small drone at ...

I, the most advanced secure communications satellite ever built in Europe, lifted off from Cape Canaveral, Florida, aboard a ...

The president is reluctant to send more aid to Ukraine, let alone U.S. troops; nor does he want Ukraine admitted to NATO. As ...

Daily on Defense: 67 feared dead in midair collision, Hegseth says Gitmo will be waystation, Esper portrait removed, RFK Jr. and Gabbard back on the Hill today, ...

Well-invested in designing and developing such platforms, Northrop Grumman has been a prime contractor for the U.S. Navy on such systems as the E-2D Advanced Hawkeye and MQ-4C Triton, and it offers ...

OpenAI says it plans to let U.S. National Laboratories use its AI models for nuclear weapons security and other scientific ...

US President Donald Trump’s newly appointed head of the Nuclear Regulatory Commission (NRC), David Wright, says the future of ...