A Ukrainian military officer said Russian forces are preparing major advances lasting into next year as Moscow seeks to ...

While nuclear crises between the “Big Three” can still be managed, preventing an arms race will be much more difficult.

It has become a test of endurance, demanding every last reserve of strength, costing hundreds of thousands of lives.

Russian President Vladimir Putin communicated to U.S. President Donald Trump his intention to respond to Ukrainian drone ...

To upgrade its drones, Moscow has been adding SIM cards to transmit data back to Russia and updating anti-detection methods.

Examining how Ukraine’s long-range drone strikes targeted Russia’s bomber fleet, revealing the evolving structure and limits ...

Key NATO members are upping their defense posture in response to threats from Russia. Experts say the Trump administration's ...

Western military planners have been carefully studying Ukraine’s successes since the war began. Destroying $7 billion worth ...

Those sympathetic to Ukraine want to believe that, with a combination of Western aid and Ukrainian ingenuity, David can get ...

Russia has performed poorly on the battlefield in Ukraine and will likely hit the 1 million casualty mark in the summer of ...

Ukraine said it secretly planted a swarm of drones in Russia and then unleashed them in a surprise attack Sunday, hitting ...

Drone warfare and newfound support from Berlin are giving Ukraine some much-needed victories on the battlefield.