The partnership, according to officials who spoke to ABC News, has been essential to Ukraine defending itself as Russia ...

The development of a new generation of drones has revolutionized how wars are fought, according to U.S. officials.

The administration of President Joe Biden has declassified information that the U.S., in addition to technical support, has ...

The change in leadership to the closely watched and powerful committee provides the latest evidence of a likely shift in how Republicans will approach Russia’s invasion of Ukraine during Donald ...

The deployment of North Korean troops to Russia's Kursk region tells much about where North Korean-Russian relations are going.

Ukraine is suspected for another attack on major Russian pipeline infrastructure. After mysterious explosions hit the Nord ...

President Trump said Russian President Vladimir Putin is “destroying Russia” with its nearly three-year war in Ukraine, adding he hopes the Kremlin leader is open to making a deal to end the ...

Recruits from Ukraine’s Main Directorate of Intelligence examine a target after shooting training. Kondratyuk's visit to Washington was part of a remarkable story: how since 2014 the CIA and ...