Around 55,000 Ukrainian soldiers have been killed in battle in the four years of war, Ukraine ’s president Volodymyr Zelensky says.

Envoys from Russia and Ukraine met in Abu Dhabi on Wednesday for another round of U.S.-brokered talks on ending the almost four-year war, a Ukrainian negotiator said.

The announced two-day negotiations took place despite Moscow's resumption of attacks on its neighbour's energy infrastructure, with Ukrainian authorities reporting overnight strikes across several reg...

Despite claims of success in Ukraine, new CSIS data shows that Russia is paying an extraordinary price for minimal gains, with over 1.2 million casualties. Russia is also in decline as a major economic power with slow growth,

US President Donald Trump was "unsurprised" after Russia resumed intense attacks on Ukraine, ending a cold-weather pause he personally requested from Vladimir Putin, the White House said Tuesday.

New START treaty expires, ending nuclear arms limits between U.S. and Russia for the first time in more than 50 years. No inspections, no caps on arsenals.

The final remaining treaty limiting the world’s two largest nuclear arsenals is on the brink of collapse, raising fears of an unconstrained arms race not seen in decades.