The late Triassic and early Jurassic were no time to go to the beach — especially when the seas were swarming with things that were all teeth. Ichthyosaur fossils don’t surface that often. After one ...

Bone worms (the red animals in this picture) were first discovered in the early 2000s, but these animals are believed to have evolved more than 100 million years ago. Adapted from Fujiwara et al. via ...

Now, Johan Lindgren from Lund University has taken the study of prehistoric colors for a swim. His team has discovered traces of melanosomes, and the dark pigments they contain, in the skins of three ...