Marco Rubio and Sergei Lavrov exchanged new ideas for ending the Ukraine conflict amid Trump's consideration of increased sanctions against Russia and military aid to Ukraine

In the north a 50,000-strong Russian force is attacking Sumy, a provincial capital. Our model is detecting artillery fire and explosions along the city’s northern defensive lines. Ukraine is badly outnumbered but officials say the front is holding.

Between January and June, the number of Russian drone and missile attacks exceeded 23,000, a roughly 605% increase compared to the same period last year.

Ukrainian officials say Russia has fired more than 700 attack and decoy drones at Ukraine overnight. That tops previous nightly barrages for the third time in two weeks.

An U.S. official says some weapons shipments to Ukraine have resumed, as the country's leader seeks more urgent support from his partners.

The war in Ukraine shows how networked, low-cost drones and commercial tech are reshaping warfare—and why these lessons are critical for the future of space defense.

A soldier who defected from Russia's notorious mercenary army has slammed military leaders who left troops to "rot in the fields". The Wagner soldier, named as Yevgeny, has reportedly defected to Finland after fighting as part of Russia 's new assault forces in Ukraine.