WASHINGTON—A federal appeals court on Friday quashed plea bargains that would spare three alleged Sept. 11, 2001, ...

A divided federal appeals court has thrown out an agreement that would've allowed accused Sept. 11 mastermind Khalid Sheikh ...

A U.S. appeals court on Friday refused to allow Khalid Sheikh Mohammed, the accused mastermind of the September 11, 2001, ...

A neo-Nazi hate group with international reach has been relisted as a terrorist entity by the Government, with ongoing ...

This deliberate targeting of civilians – the very definition of terrorism – is why Israeli officials, human rights experts and many international observers have categorized the October 7 attack as ...

Deep in one of America’s darkest hours, President George W. Bush warned that while the war on terror was started by others on ...

On the morning of July 7, 2005, a series of explosions struck London during rush hour. Bombs detonated in three crowded ...

IRAN’S “medieval” regime demanding Donald Trump be crucified could provoke “homegrown terrorist attacks”, top politicians ...

Twenty-four years ago, three Irishmen tried to buy Semtex in a Slovak spa town. They found British intelligence instead.

Over the years, President Donald Trump has suggested that his backing for other allies under NATO's collective security guarantee would depend on whether U.S. allies are spending enough on defense.

The 12-day war pitting Israel and the United States against Iran is over. Now the questions begin over what it did — and did ...

PORTLAND, Oregon — Homeland Security officials have issued a national terrorism bulletin warning of a “heightened threat environment” in the United States. The Department of Homeland Security is ...