For three centuries, England, France and Spain had claimed various pieces of North America ... the line south. It took nearly a decade to fix markers that would define the border.

From South America the Haitians head north to the US under the false assumption ... "They thought that that as long as they make it the border, they'd have a better opportunity," she says.

Thousands of migrants have arrived at the US-Mexico border after travelling more than 4,000km (2,500 miles) from Central America ... back during their trek north and returned to Honduras.

Monarch butterflies could be elevated to "threatened" species as proposed this week by the U.S. Fish and Wildlife Service, ...

Partners agree to attack cold chain inefficiences south of the border as part of their joint mission to optimize ...