John Yoo, a former clerk for conservative Supreme Court Justice Clarence Thomas and the former deputy assistant attorney ...

Ukrainian civilians on Christmas Eve were huddled in bunkers as their armed forces attempted to shoot down the Russian drones ...

President-elect Trump’s choice for special envoy to Ukraine and Russia, retired Lt. Gen. Keith Kellogg, slammed the Russian ...

Western equipment has slotted in to Ukraine's embattled, Soviet-era military throughout the war, including long-range ...

Tensions along NATO's eastern flank are high because of the risks posed by Russian military actions near the borders of ...

After years of fighting in Ukraine, the Russian military’s ability to fight modern, maneuver-type warfare has largely ...

The debate over a possible ceasefire in Ukraine has shifted from territorial defense to securing guarantees for Kyiv. A new ...

The transfer marks the end of an era when Russia played an arguably oversized role in determining which countries could ...

Trump has said he wants to end the conflict as quickly as possible, which would seemingly entail forcing Ukraine to accept a ...

European energy infrastructure has been target of repeated sabotage and surveillance episodes since Russia invaded Ukraine in ...

Nearly half of Ukrainians support Ukraine joining NATO even if some territories remain under Russian occupation at the time ...

Today: The major U.S. stock indexes—S&P 500, Dow Jones and the Nasdaq—all closed up more than 1% on Friday but remain below ...