National

Exxon Mobil's Rex Tillerson will likely have to divest from his vast holdings in the energy giant to become secretary of state. But even that may not address concerns about conflicts of interest.

Scientists meeting in San Francisco issue their 2016 report card. "The Arctic as a whole is warming at least twice as fast as the rest of the planet," one says, and it is getting progressively worse.

The Pew Research Center says Hindus and Muslims who have migrated recently to the U.S. are especially well-educated — in stark contrast to the schooling levels of those populations worldwide.

President-elect Donald Trump has delayed a press conference to address potential conflicts of interest with his business operations. He says his adult sons will manage his interests and no new deals will be forged.