greenland

The U.S. president is in Davos, Switzerland, for the World Economic Forum's annual meeting. President Trump's push to acquire Greenland has turned to antagonism toward allies in recent days.

A new NASA satellite is providing a detailed look at how much polar ice is melting, raising sea levels around the world.

The president confirmed a recent report in The Wall Street Journal that he'd asked his advisers to look into purchasing the Arctic island. But Denmark's prime minister says Greenland is not for sale.