Researchers celebrate early results of a drug that may become the first treatment for a serious complication of pregnancy called preeclampsia. It's got the potential to save many lives.

(Image credit: Tommy Trenchard for NPR)

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.

(Image credit: Tommy Trenchard for NPR)

The very capable robotic picker-upper can grasp things on both sides and roam around freely.

The very capable robotic picker-upper can grasp things on both sides and roam around freely.

Scientists prepared a high-quality sequence of the giant mammal’s genome based on a specimen preserved in Siberian permafrost.