Two specialists from NYU’s College of Dentistry explain why teeth move and change position.

Aged 24, he was a rising star of the game and his boyish style of play brought joy to fans.

Venezuelan journalist Arnaldo Espinoza writes about how food shortages and inflation are hurting those he loves most.

Six months after the U.S. president visited the island, Cubans are divided over his impact. A government reform program has stalled, as anxious residents pray for a tourist invasion.

The first of three presidential debates is being hailed as the biggest moment since the party conventions. But can debates make a difference with today's highly polarized electorate?

Deporting 7 million undocumented workers would eliminate $4.7 trillion from the GDP over the next decade, the report said. A second new study also found that immigrants aren't taking Americans' jobs.