Donald Trump and Vladimir Putin's world leader bromance may also be on the rocks as the US president voices his displeasure ...

The Security Service of Ukraine says it has killed the agents working for Russia who carried out the murder of a senior official of the organization last week.

On a patch of dirt in the vast wilderness in Alaska, a long-range drone roared like a lawn mower as it shot into the sky. It ...

President Donald Trump said the U.S. will send more Patriot air-defense batteries to Ukraine, which Kyiv has said it needs to protect itself from Russian airstrikes.

The United States, Trump stressed, would not pay for them as he heaped fresh criticism on Russian President Vladimir Putin.

John Wagner, a retired US Army officer and former executive in the Trump administration, said that foreign powers have been keeping a "sharp eye on drone activity between Ukraine and Russia." ...

Ukraine’s new anti-drone bullets for NATO rifles break into pellets midair, giving troops a fast-response tool against UAV ...

Ukraine’s security agency said Sunday that it tracked down and killed Russian agents suspected of shooting one of its senior officers to death in the Ukrainian capital.

This is more than just another defense deal — it’s a strategic alignment that could reshape modern warfare, accelerate ...

Ukraine and Russia have escalated their shadow war of espionage, sabotage, and assassinations, with both countries claiming a ...

Trump said he would end the war in Ukraine within his first 24 hours in office. His patience with Russia's Putin now appears ...

The legislation, which would allow the president to levy a 500% tariff on imports from countries that purchase Russian ...