Some of these predators were as long as whales. Roaming the seas more than 72 million years ago, the octopuses appear to have been the largest invertebrates ever known.
This electrically charged form of fluorine boasts powerful tooth-strengthening abilities.
Learn how yeast can be used to remove microplastics from contaminated water with this experiment.
Detection of lithium from a SpaceX rocket reentering the atmosphere offers new evidence that space debris could harm the ozone layer.
Veronika the cow scratches hard-to-reach body parts using a brush. This feat is forcing scientists to rethink which animals can use tools.
