On an island of southeastern Indonesia, scientists dug a hole in the forest and installed a wildlife trap. A while later, they checked the trap and found an armless creature caught inside. They didn’t ...

Imagine a crocodile built like a greyhound—that's a sebecid. Standing tall, with some species reaching 20 feet in length, ...

Knife-toothed reptiles called sebecids went extinct on the mainland 10 million years ago. New fossil evidence puts them on an island 4 million years ago.