Have you ever seen crabs crawling around on the beach? They're called limlus polyphemus, commonly known as a horseshoe crab.
At six feet in length, this two legged plant eater was about the size of a large dog with a strange domed head.
Bones are not just for structural support, but are also dynamic organs, containing active living cells and with blood vessels and nerves running through them.
If you're ever in the desert look out for these peculiar boots. Hint: They aren't on cowboys' feet.
Did dinosaurs take an interest in parenting? Find out on this Moment of Science.
You've probably heard the word osteoporosis and know it has to do with bones. But can you explain it? Learn about Osteoporosis on this Moment of Science.
Paleontologists in South Africa recently discovered the first complete skeleton of a pre-dinosaur creature called Gorgonopsid, or "Gorgon" for short.