Richard H. Tedford, one of the foremost authorities on the evolution of the Carnivora, is now a curator emeritus in the Department of Vertebrate Paleontology at the American Museum.
Earth's earliest known forms of animal life were trailblazers.
“Vision” in single-celled Synechocystis works by principles similar to the human eye.
The fate of the Caspian seal may have been decided ﬁve million years ago.
Robber ﬂies are top predators in the insect world.