Most people respond to the word ‘pterosaurs ... Their world included monsters like Quetzalcoatlus northropi, one of the largest flying animals yet discovered, nearly as tall as a giraffe ...

Here are some animals with the most unusual defense mechanisms: Sperm whales dive over 3,000 meters deep to escape threats, ...

NASA and other space agencies put animals in space long before humans, using monkeys, dogs, and cats to figure out how humans could survive leaving Earth. Countries including the US, the USSR ...