Defense

The Air Force says it can no longer afford to scan the sky for extraterrestrial threats that could doom the planet.

Rep. Mike Rogers, R-Ala., believes the Air Force is getting in its own way when it comes to advancing space operations.

China's president is calling on his country to boost its military power in space by increasing coordination between its air...

President Donald Trump said Friday that only his critics were offended by his "locked and loaded" statement on North Korea.

An upstate New York man has been indicted for allegedly trying to recruit fighters for the Islamic State, paying for their...

The power outage that hit the White House, the State Department and other government buildings demonstrated the vulnerability...

The U.S. commander in South Korea said that he believes North Korea has the ability to fit a nuclear warhead to a missile...

The carnage in Paris on Friday came a day after the Justice Department warned of the potential for random ISIS-inspired...

The U.S. must be prepared for more attacks by ISIS-inspired loners as the group's battlefield losses mount, officials say.

The White House wants to rein in commercial drone flights over U.S. airspace amid concerns that the they will be used as...