The Senate Armed Services Committee has approved a $500 million increase in Ukraine security assistance as part of the Fiscal ...

NATO members have pledged to bring defense spending to 5% of GDP, with NATO's chief saying it will be used for a fivefold ...

NASA's beleaguered Mars Sample Return mission may get a reprieve from an unexpected source. Lockheed Martin has proposed a ...

Patriot has prove [d] to be a very reliable system,” said retired Lt. Gen. Ben Hodges, regarding the battlefield revolution brought about by US air defense technology in Ukraine. But the dependability ...

KUALA LUMPUR, Malaysia (AP) — U.S. Secretary of State Marco Rubio said Thursday that the U.S. and Russia have exchanged new ...

As Russia ramps up its missile and drone strikes countrywide, all eyes are on Europe’s capacity to continue supporting Ukraine, with the future of U.S. military aid growing ever more uncertain.

The Conflict in Focus series examines the Russia-Ukraine War from multiple perspectives to identify implications for future warfare. Each week, a CSIS military fellow sits down with experts who have ...

But Kyiv — and most of the world — never recognized Moscow's annexation of the strategic peninsula, which is now a major focus of U.S.-led efforts to end Russia's war in Ukraine.

Russia’s illegal seizure of Crimea from Ukraine 11 years ago was quick and bloodless. But Kyiv — and most of the world — never recognized Moscow’s annexation of the strategic peninsula,… ...

But Kyiv — and most of the world — never recognized Moscow’s annexation of the strategic peninsula, which is now a major focus of U.S.-led efforts to end Russia’s war in Ukraine.