The U.S. and Russia have agreed to reestablish high-level, military-to-military dialogue for the first time in more than four years

Ukrainian President Volodymyr Zelenskyy last week said that Kyiv would agree to a broader 30-day ceasefire if Russia also signed.

The United States reached separate deals on Tuesday with Ukraine and Russia to pause their attacks at sea and against energy targets, with Washington agreeing to push to lift some sanctions against Moscow. While it was not clear when or how the Black Sea ...

Russia carried out a mass attack on Ukraine's energy infrastructure in the early hours of Feb. 7, triggering emergency power outages across most regions, Ukraine's state grid operator Ukrenergo said.