Ukraine has said it destroyed a Russian submarine with an undersea drone, in what appears to be a historic first that leaves ...

The incident occurred at the Slavyansk refinery, a facility that has been repeatedly targeted since Russia launched its ...

With peace in Ukraine still elusive, progress from U.S. initiatives have officials discussing a postwar security landscape.

Footage purportedly shows Russian troops on horseback approaching Pokrovsk amid ongoing clashes, raising questions about new ...

War photographer Goran Tomasevic of The Globe and Mail spent more than a month taking photos of Russian forces fighting ...

A video on an official government affiliated website reportedly showed the Sub Sea Baby drone striking a part of a Russian ...

The surge of drones on the battlefield has made it almost impossible to pull off traditional casualty evacuations.

BRUSSELS — China is just as dangerous to European energy security as Russia, NATO Deputy Secretary-General Radmila Šekerinska ...

The time has come for Trump to call Putin’s bluff. Just as important, it is time for the president to recognize that Ukraine ...