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As South Carolina's outbreak grows to 876 confirmed cases, vaccinations in the state surged in January. Cases have also been reported in two ICE detention facilities.

U.S. border czar Tom Homan says 700 federal agents will be leaving Minnesota. And, the New START Treaty between the U.S. and Russia expired today.

Ski mountaineering will make its Olympic debut this year, the first winter sport to do so since 2002. Skeleton, luge, ski jumping and moguls are also getting new events.

US Olympic athletes are arriving and settling into their digs for the next couple of weeks in Italy. Curlers are amazed by the mountain scenery in Cortina; figure skaters are plant fostering in Milan; and the big air slopestyle women are "smashing pizzas" in Livigno.

President Trump's focus overseas may spare China for now, but Beijing still worries that his "America First" rhetoric hasn't softened what it calls U.S. "military adventurism."

Until now, estimating how old a dinosaur was when it died has been a fairly simple process: Count up the growth rings in the fossilized bones. But new research into some of dinosaurs' living relatives, like crocodiles, suggests that this method may not always work.

Interactions between police and someone in psychiatric crisis can end in violence. Communities have been sending mental health professionals instead, but paying for that service has been a struggle.

Cutting back on ready-to-eat meals won't be easy, and whole milk may make a comeback. One thing that's certain: It'll be a while before the new guidelines trickle down to schools.

A new NPR/PBS News/Marist poll finds a jump in disapproval of the agency among Democrats and independents, but Republicans are standing by ICE and the president.

Hundreds of federal agents are leaving from Minnesota, poll finds a jump in disapproval of ICE among Democrats and Independents, the last major arms control treaty between Russia and the U.S. expires.