President Donald Trump left the door open for Europe to buy American arms to defend Ukraine as his administration looks to negotiate a peace ...

Russia primarily uses nuclear threats to deter Western countries from supporting Ukraine and plans to revive the Soviet ...

Ukrainian forces are increasingly turning to modified light aircraft to strike targets deep inside Russian territory ...

The United States spends vastly more on its military than any of its enemies, but that has not made us secure from the most destructive weapons on the planet: nuclear-armed ballistic missiles. In fact ...

Glide bombs are among Russia's most powerful and destructive weapons. Now Ukraine is learning how to shoot them down, a new ...

The speed with which the Trump administration has hit the ground and heaved executive orders and ultimatums at domestic ...

As Trump announces plans to negotiate, Russia has committed thousands of ceasefire violations—in Ukraine alone.

The focal point of Russia’s invasion of Ukraine has often been the front line. But Ukraine’s ability to attack infrastructure ...

The Trump administration probably cannot negotiate a comprehensive deal for Ukraine immediately and will need to come up with an initial solution to ...

More: The commanders agreed that helicopters, and particularly Black Hawks, would enable their forces to rapidly respond to ...

French Defense Minister Sebastien Lecornu expressed concerns that the United States might concede to Russia in Ukraine ...