New ways to measure thawing permafrost could help us understand its potential impacts on infrastructure, military outposts, ...

Despite warm rhetoric and promises of a summit, Moscow's tactic of buying time risks undermining real progress on the war.

The US president, who is due to host Ukraine's Volodymyr Zelensky on Friday, says there will be fresh US-Russia talks with ...

The Kremlin closed off its skies to Western aircraft after sanctions over the invasion of Ukraine, now flights from the U.S.

Trump's subsequent push for trilateral "denuclearisation" talks involving China elicited a firm refusal from Beijing, underscoring challenges to extending the New Strategic Arms Reduction Treaty (New ...

President Donald Trump and Republicans remain locked in a standoff with Democrats over reopening the federal government. Follow for live updates on the administration.

This is an audio transcript of the FT News Briefing podcast episode: ‘Why Beijing still loves its five-year plans’ Jess Smith ...

The Boeing B-52s left Barksdale Air Force Base at Shreveport in the state of Louisiana, flight tracking data reviewed by BBC ...

President Donald Trump said Tuesday that Ukraine could restore its borders from before Russia’s invasion and that he believes NATO member countries should shoot down Russian aircraft if they enter ...

You have to "force Russia to come to the negotiating table" and that is the deal the US leader is trying to make," Alexander ...

Donald Trump has said the US would come to the defence of Poland and the Baltic states if Russia were to attack in future. Asked by reporters whether Washington would come to the aid of the Nato ...