When wildlife photographer Avinash Revanna challenged viewers of his Instagram post to “Spot me if you can,” they assumed they were looking for an owl somewhere on the trunk of a tree. But it isn’t an ...

Pterosaurs, which dominated the skies of the Triassic, Jurassic and Cretaceous periods, first evolved to take to the air in warm and humid conditions during the Late Triassic, a new study suggests. In ...