'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.

Team traces evolution from feathered dinosaurs into birds

The first wings on feathered dinosaurs were pretty useless, new research shows, meaning they'd have found it hard to take off and fly at low speeds.