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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.

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.

The Oscar-nominated Iranian screenwriter Mehdi Mahmoudian was arrested after condemning the regime's crackdown on protesters, which director Jafar Panahi says represents the actions of a "failed state."

A month after Maduro's ousting, Venezuela's interim leader walks a tightrope between U.S. demands and Chavista hardliners expectations.

Some blind and low vision fans will get to use haptic tablets at Super Bowl 60. It allows them to feel the ball as it moves around the field.

The federal agency for protecting workers' civil rights revealed Wednesday that it is investigating sportswear giant Nike for allegedly discriminating against white employees.

U.S. immigration agents in Oregon must stop arresting people without warrants unless there's a likelihood of escape, a federal judge ruled Wednesday.

Police in Arizona believe Nancy Guthrie, 84, was taken by force from her Tucson area home this weekend. So far, no suspect or person of interest has been identified.

Joining the Exchange to help us learn more is Dr. Sristi Kamal, Deputy Director of the Western Environmental Law Center.