Russian President Vladimir Putin's war in Ukraine and President Trump's tough stance on NATO have 'energized' the alliance ...

Business Insider got access to a NATO AWACS flight for an eight-hour surveillance mission over Eastern Europe.

Ukraine's air force said on Monday Russia had fired 426 drones and 19 cruise missiles at the country overnight, as well as ...

Another attempt at peace talks between Ukraine and Russia is on the horizon amid Russia's continuous assault on Ukraine.

The country of Russia bombarded the Eastern European nation of Ukraine overnight ahead of a scheduled Monday Ukraine Defense ...

Vladimir Putin could be getting concerned about a tiny NATO nation on Russia's border which is making open preparations for ...

Russia’s arms production has significantly ramped up, but NATO still holds key advantages in modern artillery systems and ...

RFE/RL and the Conflict Intelligence Team (CIT), an open-source intelligence group, analyzed Russian and Western weapons ...

Pope Leo discussed the war in Ukraine on Saturday with Metropolitan Anthony, a senior cleric in the Russian Orthodox Church, ...

Russia could be preparing to invade another European country as fears of a wider conflict continue to grip the continent, ...

As Russia races to perfect a nuclear-armed spacecraft, it is also likely preparing to launch an orbital sabotage mission to ...

Pope Leo met on Saturday with Metropolitan Anthony, a senior cleric in the Russian Orthodox Church, in a possible effort to ...