For the past two decades, scientists have been manipulating genes to grow human cells where you wouldn’t quite expect them.

With serpentine necks, flippers and a mouth full of needle-sharp teeth, plesiosaurs have captured imaginations since ...

In a bamboo forest of southwestern China, a spotted creature perched on a plant. Its “large,” multicolored eyes scanned the surrounding landscape, but it wasn’t the only one looking. Passing ...