Russia’s S-500 “Prometheus” is its next-generation mobile air-defense system, designed to supplement and eventually replace ...

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

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

Russia's drone war Ukraine's allies thought they understood is about to change entirely — and Europe is not ready for what ...

The United States cutting short Gaza ceasefire talks this week plunges one of President Donald Trump’s pushes to solve global ...

A war that bloodies but does not beat Russia is China’s obvious favorite choice. A weak Russia implicated in an unwinnable ...

Nothing out of the ordinary,” Canadian Air Force Capt. Rebecca Garand, a NORAD spokeswoman, said Thursday about the Russian ...

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

The deadly conflict on the Thai-Cambodian border pits a longtime United States ally with decades of experience against a ...

From deepening tensions in Eastern Europe to an escalating humanitarian crisis in the Middle East and a renewed focus on unresolved controversies within the United States, these events are ...

Moscow’s failures will resound beyond the Middle East. Whether the result of Putin’s conscious decision not to intervene or ...