President Donald Trump's interest in buying Greenland is "not a joke," Secretary of State Marco Rubio said in an interview on ...

US President Donald Trump is serious about seeking to buy Greenland, Secretary of State Marco Rubio said Thursday, after ...

Panama's President Jose Raul Mulino on Thursday ruled out negotiations with the United States over ownership of the Panama ...

By Simon Lewis and Matt Spetalnick WASHINGTON (Reuters) -When Marco Rubio arrives in Latin America this weekend on his first ...