An international team of scientists has created the largest and most detailed bird family tree ever, spanning 93 million years and representing 92% of bird families species, using cutting-edge ...

A research team, led by scientists at the University of York, mapped the family tree of the ferocious ambush-predators and their extinct relatives known as Pseudosuchia. They then compared this with ...

While their scaly armor and long claws look vaguely reptilian, armadillos belong to the same group of mammals as sloths and anteaters. There are nearly two dozen species of armadillos, from six-inch ...