Ukrainian President Volodymyr Zelenskyy says several key issues remain unresolved in negotiations with the United States over a framework to end Russia’s war.

The war that began following Russia’s invasion of Ukraine in 2022 has now entered its 3 years and 10 months, with new battlefield patterns unique to modern warfare—unseen in the past—being repeatedly observed.

Ukraine claimed it carried out an underwater drone strike on Dec. 15, the first such attack in maritime warfare, that critically damaged a Russian Kilo-class attack submarine at the Russian port of Novorossiysk,

Soldiers in Ukraine say that grenades are key for close-quarters trench fighting, and Western forces are paying attention.

Talks aimed at ending the war in Ukraine appear to be edging forward at the diplomatic level even as fighting and drone strikes continue to batter cities, ports and infrastructure across the country.

We spent a day at a secret front-line drone command center in Ukraine, where soldiers prepared their deadly munitions in dread that Russian’s own drones might find them.

Western militaries are looking at interceptor drones — proven in combat in Ukraine — as an ideal low-cost air defense.

A newly-released, public version of the drone simulator used to train thousands of Ukrainian military pilots offers a terrifyingly accurate glimpse into modern warfare.

"The SBU ‍continues to ⁠target facilities in the Russian oil and gas sector systematically. ​Each of these strikes hits the Russian budget, reduces foreign currency revenues, and complicates logistics and fuel supplies for the army,