Denmark, of which Greenland is an autonomous Danish territory, would not be able to stop threats from China, Rubio warned.

President Donald Trump's renewed interest in buying Greenland is "not a joke," according to Secretary of State Marco Rubio. During an interview on Thursday with Megyn Kelly on Sirius XM ...

Secretary of State Marco Rubio is implementing a fundamental shift in America’s global role. In a recent lengthy interview ...

The ‘might makes right’ worldview and ambitions that drive the top US diplomat spearheading Trump’s foreign policy.

Ukraine saw its third-year anniversary since Russia invaded. No European allies or the former U.S. administration have spoken to Vladimir Putin since.