The US senator and former Navy captain is contesting a move to review his retirement grade after he criticised the Trump ...

Canadian crude has become increasingly important to U.S. refineries, but competition from Venezuela could pose a threat in ...

Some personnel at a key U.S. military base in Qatar were advised to evacuate by Wednesday evening, according to a U.S.

Trump insists that U.S. control of Greenland is necessary for national security and argues that NATO should support the U.S.