Secretary of State Marco Rubio insisted that President Donald Trump’s desire to acquire the Danish territory of Greenland is “not a joke.” At least one person, Russian President Vladimir Putin, is ...

Ukrainian President Zelenskyy conditions Putin meeting on Trump-brokered plan, as U.S. policy shift rattles European allies.

As Washington seeks to resolve the war in Ukraine with peace negotiations, these maps show what each side in the conflict are pushing for.