Predators, such as arrow worms, reshaped ecosystems, fueling the biological pump by concentrating nutrients and driving organic carbon into deeper waters. This evolutionary leap wasn’t a single ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. A group of fossils found in Northern Greenland have painted quite a terrifying picture.

They are known for their distinctive appearance with two brightly coloured, spiral "crowns" that resemble a Christmas tree, protruding from a tube-like body ...