Add Yahoo as a preferred source to see more of our stories on Google. Russia's T-14 tanks are considered its best, but they don't seem to have been in Ukraine.Sean Gallup/Getty Images The British ...

As night falls over eastern Ukraine, the sky flashes with explosions and the sound of artillery. Drones buzz constantly in the air. Over one recent day alone, Russian forces reportedly suffered about ...

Depleted uranium munitions are used by a number of countries, including the U.S. and U.K. — as well as Russia — as it's known for its high density and ability to penetrate heavy armored vehicles, ...