Constellation would be the ESA’s first big programme designed for defence and security as well as civil purposes ...

U.S. officials said Israel delayed its plans for a retaliatory strike on Iran after Asif W. Rahman, 34, leaked them online ...

Mideast envoy Steve Witkoff is holding a sixth round of talks with Tehran Sunday as Israel considers strikes against Iran.

A former CIA analyst who leaked top secret US intelligence documents about Israeli military plans for a retaliatory strike on ...

The Swiss defence ministry has launched an investigation into the alleged leaks, with the spy said to have handed over highly ...

"This is gravely concerning," said William Alberque, a former director of NATO's Arms Control, Disarmament and WMD Non-Proliferation Center.

The US State and Defense departments on Wednesday made efforts to arrange the departure of non-essential personnel from ...

FSB, Russia’s domestic security agency, has warned that China is a serious threat to Russian security and is recruiting ...

An employee of the Defense Intelligence Agency is accused of attempting to share classified material with a foreign ...

The Ukrainian military says Russia’s military losses have topped 1 million, noting the huge price Moscow has paid for its ...

Allies, though, must move quickly, as the ability to reimpose global sanctions expires in October. Benny Avni is a columnist ...