Weeks before the start of the fifth year of its all-out war, Russia is having more success obliterating Ukraine’s energy systems than it is securing any decisive battlefield victory. Ukraine’s ...

During the Battle of Kursk, a breakdown in German defenses allowed a large Soviet armored force to push through a vulnerable ...

The swift advance of Moscow’s forces into the town of Huliaipole showcases a central challenge for Kyiv: how to defend 700 miles with too few troops.

In the contemporary armored fighting, the “range” that is the most decisive is not always the maximum range of the gun, but the distance beyond which it cannot be identified. The very first drone shot ...

Moscow says it's been gaining momentum in Ukraine, but the researchers found that even its Pokrovsk push was one of the slowest in the last 100 years.

As losses mount, the pace of Russia's advance has at times been slower than the Battle of the Somme during World War I, a ...