Ellie Cook is a Newsweek security and defense reporter based in London, U.K. Her work focuses largely on the Russia-Ukraine war, the U.S. military, weapons systems and emerging technology. She joined ...

Up to 250,000 of those troops have likely been killed, the UK Defense Ministry said on Thursday.

As Donald Trump and Kamala Harris faced off in the 2024 U.S. presidential race, Estonian and Taiwanese troops were training ...

The informal grouping, established last May, is intended to counter China’s assertive behavior in the South China Sea.

CNN military analyst Col. Cedric Leighton (ret.) shows which territories Ukraine may have to give up to secure a peace deal ...

The Associated Press reported that Ukraine no longer has ATACMS ballistic missiles available. Their stockpiles have been ...

U.S. arms deliveries to Ukraine resumed Wednesday, officials said, a day after the Trump administration lifted its suspension ...

The American military help is vital for Ukraine’s shorthanded and weary army, which is having a tough time keeping Russia’s ...