The first pterosaurs had a sail-like tensioning system for flying with potentially cumbersome tail vanes ... we can put skin on the bone of animals we will never see in our lifetimes," study ...

Most animals people are familiar with, from pets like cats and dogs to lions and elephants, have an emblematic tail. This ...

Narrator: Tails are like opinions — basically everyone ... Now, walking like this gives us a huge advantage Because unlike four-legged animals, which have to pour energy into every step they ...