Also known as "volcano snails," these gastropods grow a suit of metal-enriched scaly armor and have an enormous heart, which ...

John Long/The ConversationThe emergence of four-legged animals known as tetrapods was a key step in the evolution of many species today – including humans.Our new discovery, published today in Nature, ...

Do these figurines from Mexico show that ancient humans lived alongside dinosaurs? Or is something else going on?