Russia has lost about twice as many men to death and serious injury as Ukraine. But the trends favor the Kremlin.

Removing security clearances is petty and personal. But it is the president’s decision to make, and in a week of wacky and unexpected executive orders, it is one of the easier to defend.

A Russian man was jailed for 17 years after being found guilty of passing classified information to a representative of a U.S. intelligence agency, the TASS state news agency reported on Thursday.

The Royal Navy of the United Kingdom has been closely tracking a Russian spy ship recently spotted in British waters, ...

As US President Donald Trump launched a 100-day effort to end the war in Ukraine, Kyiv’s long-range weapons were devastating ...

President Donald Trump says his administration will move to suspend the security clearances of the more than four dozen ...

On January 21, 2017, the day after his inauguration, U.S. President Donald Trump visited Central Intelligence Agency ...

The partnership, according to officials who spoke to ABC News, has been essential to Ukraine defending itself as Russia ...

A South Korean lawmaker said Seoul's intelligence showed some 3,000 North Korean troops have been wounded or killed in Kursk.

Over 12,000 North Korean troops are estimated to be fighting against Ukrainian forces in Russia’s Kursk region, the United ...

Planned Russian military reforms that would increase Moscow's troop numbers by 30% are a threat to NATO and should be met ...

President Joe Biden's foreign policy legacy includes the American withdrawal from Afghanistan, support for Ukraine, and the ...