More On Ukraine

Russia’s invasion of Ukraine has bogged down, and the conflict has moved into a stalemate.

The Russian military is struggling with a strategic conundrum in Ukraine: attack in the Donbas or defend in the South?

Russia is believed to have had 70,000 to 80,000 troops killed or wounded in fighting since it invaded Ukraine in February, a...

The Pentagon is offering to sell NATO ally Poland 250 M1A2 Abrams tanks.

The Ukraine conflict has reinforced the prediction that urban combat will be the centerpiece of modern wars.

While an influx of aircraft was brought to NATO countries in Europe in February, the alliance is now focusing on the concept...

On one side, a small yet vocal faction of the Republican party that opposes the aid is getting noisier.

Yuriy Sak -- an adviser to Ukraine's minister of defense -- says country needs the more modern F-16 Fighting Falcon fighter...

A deep and continuing rot of treason imperils Ukraine's battle against the Russians.

Russia suffered an embarrassing public setback in Ukraine’s Donbas region in May when its soldiers attempted to cross the...