New fossil discovery reveals 535 million-year-old worms, annelids, that were already crawling and swimming, reshaping early ...

Not content with a diet of old leaves, some worm species actually eat bones. A new study has now traced the ancient ancestors of these bone-burrowers back through 100 million years of evolution. Deep ...

Scientists have discovered 30 new species in the deep recesses of the Southern Ocean, including iridescent scale worms and a carnivorous “death ball” sponge. Left: An iridescent scale worm discovered ...

Scientists have documented animal life inside the oceanic crust for the first time, uncovering tube worms, bristle worms, limpets, and snails in fluid-filled cavities beneath the Pacific seafloor. The ...

Rachel Feltman: Happy Monday, listeners! For Scientific American’s Science Quickly, I’m Rachel Feltman. Let’s kick off the week with a quick roundup of some science news you may have missed. You’ve ...