Saudi Arabia and the United Arab Emirates are locked in a high-stakes strategic game, each trying to harness local crises to its advantage...

KNOXVILLE, TN — It's that time of year again, when astrophysicist Neil DeGrasse Tyson renews his annual tradition of going down people's chimneys to tell their kids that Santa isn't real....

A look at the features for this week's broadcast of the Emmy-winning program, hosted by Jane Pauley....