Deterring Russia from re-invading Ukraine, once this war ends, could require 150,000 troops and American help with air cover, ...

Officials say Russian forces have targeted Ukraine’s energy and gas infrastructure in a “massive” nighttime missile attack, ...

The New Strategic Arms Reduction Treaty, or New START, which caps the number of strategic nuclear warheads that the United ...

JD Vance will make his first trip to Europe as Vice President this week, stopping in Paris for an AI summit and then attending the Munich Security Conference where Ukraine will figure prominently.

Critics say a Trump administration order calls into question the United States’ global standing and reliability.

Ukrainian President Volodymyr Zelenskyy appealed to his U.S. and European partners not to "abandon" Kyiv in any revived peace ...

Europe is finally realising it needs to take more responsibility for its own defence. But this realisation has come very late ...

KYIV - Ukrainian President Volodymyr Zelenskiy pored over a once-classified map of vast deposits of rare earths and other ...

Ukrainian forces fighting around Velyka Novosilka claim its Russian takeover will amount to nothing more than a flag-raising ...

President Donald Trump’s national security adviser Mike Waltz says that top administration officials are traveling to Europe this week ...