In a post on social media, Trump said a 10% tariff will take effect on Feb. 1, and will climb to 25% on June 1 if a deal is not in place for the United States to purchase Greenland.

Thousands of people rallied in Copenhagen to push back on President Trump's rhetoric that the U.S. should acquire Greenland.

We remember Ai, a highly intelligent chimpanzee who lived at the Primate Research Institute of Kyoto University for most of ...

A trial was about to launch for a vaccine that would ward off the HIV virus. It would be an incredible breakthrough. Then it ...

The Justice Department is investigating Minnesota Gov. Tim Walz and Minneapolis Mayor Jacob Frey, a U.S. official said. The ...