A recent set of prisoner exchanges between Russia and Ukraine are an encouraging sign of detente, albeit a small one.

Launching weapons from within their territory forces adversaries to look not only outward but also inside for threats, one expert said.

U.S. Navy and Marine combat engineers are testing how to make fortifications that can protect against tiny, deadly quadcopters.

Russia fired 138 drones at targets across Ukraine in its latest overnight aerial assault, Kyiv’s air force has reported. Ukraine said they shot down 84 of the drones, and 41 more were either lost or downed using electronic warfare.

President Volodymyr Zelenskyy said Kyiv had suffered one of the most horrific attacks since Russia’s invasion began in 2022. Russia pummelled much of Kyiv.

Volodymyr Zelenskyy was due to hold talks with Donald Trump - but the US president has announced he is unexpectedly returning to Washington because of tensions in the Middle East.

A night-time Russian missile and drone bombardment of Ukraine has killed at least 15 people and injured 156 others while they slept in their homes, local officials said. At least 14 people were killed as explosions echoed across the Ukrainian capital for almost nine hours during the night,

North Korea sent 11,000 elite soldiers to support Russia. Their progress — especially in drone warfare — has implications not only for Russia's war on Ukraine but also peace on the Korean Peninsula.