A small reptile from the Middle Triassic known as Mirasaura grauvogeli developed a crest structure shaped like feathers but ...

Not every nest in trees is a bird nest! Here's what a squirrel nest looks like and how to deter squirrels from nesting in your yard.

A new study provides the first estimates of lightning-killed trees, a crucial figure for understanding Earth's carbon cycle.

Body coverings such as hair and feathers have played a central role in evolution. They enabled warm-bloodedness by insulating ...