Ink sacs found in two 160-million-year-old giant cephalopod fossils have been found to contain ink that's essentially identical to that of today's cuttlefish.
Ever wondered what the Jurassic sounded like? One group of paleontologists did. And through analysis of some cricket fossils and comparisons with modern insects, they reckon they've found out.
Paleontologists have unearthed the fossilized remains of a creature that they say may be the ancestor of all placental mammals on Earth today.