The first pterosaurs had a sail-like tensioning system for flying with potentially cumbersome tail vanes, which they could have used for displays, a new study finds.

Most flying vertebrates evolved shorter bony tails as they took to the skies. Early pterosaurs differed from other flying animals, as they sported long, thin, bony tails with a paddle-like "vane ...

All FLYING subscribers are automatically entered ... and while many pilots consider the V-tail, 35-series models to be the coolest, they are also the oldest. The earliest versions date to 1947 ...

Aside from their patagia, flying squirrels look similar to their grounded cousins, with small rounded faces, prominent ears, and fluffy tails that can be as long as their bodies. Their eyes are ...