A species of clam is back from the dead. Known as Cymatioa cooki, the clam had only ever been found as a fossil, and scientists presumed that the species had been extinct for more than 40,000 years.

A man in Florida was walking with his family on a beach when he found an abnormally large clam. It turns out, it was not only big, but extremely old – and dates back to 1809. Gulf Specimen Marine Lab, ...

Caitlin O'Kane is a New York City journalist who works on the CBS News social media team as a senior manager of content and production. She writes about a variety of topics and produces "The Uplift," ...