A deepening spat between Russia and Azerbaijan shows Vladimir Putin's waning influence in the South Caucasus, analysts have ...

The Trump administration has resumed sending some weapons to Ukraine, a week after the Pentagon had directed that some deliveries be paused.

Ukraine said Saturday it struck a Russian airbase that military officials called a "home base" of some fighter jets.

Dutch and German intelligence agencies have gathered evidence of widespread Russian use of banned chemical weapons in Ukraine, they said on Friday.

The Pentagon is reviewing Ukraine aid, pausing Patriot missiles amid concerns over U.S. stockpiles and defense priorities, as part of a global review of military aid.

Welcome to The Hill’s Defense & NatSec newsletter {beacon} Defense &National Security Defense &National Security The Big Story Ukraine weapons freeze causes concern Democratic and even some ...

The move comes as Russia is massing tens of thousands of troops at Ukraine's border.

Ukraine's GUR has released a video of a fixed-wing drone being catapulted into action near Crimea. It said its special forces used UJ-26 Bober drones to strike at faraway Russian defenses.

The Pentagon froze critical weapons shipments to Ukraine, including Patriot missiles, amid concerns over dangerously low U.S. munitions stockpiles as Russia launches major aerial attack.

America’s ominous new halt on weapons to Ukraine It may reflect dwindling stocks but Ukraine thinks it is being pushed to make political concessions ...

ESET Research analyzes Gamaredon’s updated cyberespionage toolset, new stealth-focused techniques, and aggressive spearphishing operations observed throughout 2024.