History also shows that many of the fanciful engineering ideas for Greenland failed because they misjudged the island’s harsh climate and dynamic ice sheet.

The United States operated a number of bases in Greenland during the Cold War, which an expert said it could reopen.

Security experts are speaking out over an Chinese intelligence officer allegedly owning golf courses next to a Louisiana military base controlling nuclear assets.

Military facilities in Puerto Rico are being revived following the U.S. capture of Venezuelan's leader, leaving residents wondering whether it's short-lived and what will come next.

US President Donald Trump said he has suspended all talks with Iranian representatives until further notice and urged Iranians to continue protesting, promising that help is coming. "Iranian Patriots,

The disclosure follows remarks by a senior Iranian ​official who told Reuters earlier on Wednesday that Tehran had warned neighbors hosting U.S. troops that it would hit ​American bases if Washington strikes.

Trump announced that Iran is stopping the killing of anti-government protesters after he threatened to intervene.