'Dino-killer' asteroid nearly saw off snakes and lizards too

The asteroid collision that killed off the dinosaurs 65.5 million years ago also nearly wiped out snakes and lizards - including a newly-identified species of lizard named for President Obama.

Hurricane lets scientists watch evolution in action

Biologists who released lizards on several uninhabited islands in the Bahamas have been able to observe an evolutionary effect in action.

Lizards may be smarter than you think

If you thought reptiles were some of the least intelligent creatures in the animal kingdom, well, you might want to reconsider.

Team uses whole islands to test survival of the fittest

For some people, fruit flies and a tank just aren't enough. Two Dartmouth biologists have been using whole islands in the Caribbean to investigate evolution in lizards.