As the United States faces possible retaliatory attacks from Iran, a “brain drain” in top Justice Department and FBI national ...

P resident Donald Trump said he has his eyes on the 50,000 Russian troops deployed to the border near Sumy in Ukraine, where there are fears Moscow is ready to launch a new summer offensive in a war ...

Ukraine's industry is growing rapidly amid Russia's invasion, and Ukraine is relying less on allies. But the industry says it has far more capacity that's unused as Ukraine can't spend that much.

Ukraine said it hit 41 Russian planes in a huge attack and identified the aircraft as key to Russia's missile attacks and intelligence gathering.

Welcome to The Hill’s Defense & NatSec newsletter{beacon} Defense &National Security Defense &National Security The Big Story Ukraine plays surprise card in Trump’… ...

If you believe Russia’s apologists, then Ukraine, hot off bold strikes on military airfields spanning Russia and the Kerch Strait Bridge in Crimea, is recklessly risking giving Russian President ...

Ukraine’s asymmetric drone attack caught the world’s attention and dealt a significant blow to Russia’s defense. Peace prospects may hinge on how Vladimir Putin and Donald Trump respond.

Ukraine’s breathtaking ingenuity, the latest example of which destroyed or damaged dozens of Russia’s long-range bombers on bases 2,500 miles from Ukraine, is in the service of an unflagging ...

Ukraine claimed to hit a key bridge that links Russia and Moscow-occupied Crimea with underwater explosives two days after it launched a wave of drones deep into Russian territory that damaged ...

The Senate’s New Ukraine Bill Will Not Work—But Here Is How to Fix It The Sanctioning Russia Act would impose history’s highest tariffs and tank the global economy.

If Ukraine's Zelenskyy thought his drone strike on Russian air bases would yield a Kremlin compromise, Moscow issued its response in black and white: no chance.