Fossils found in Australia reveal that giant sea scorpions, which lived over 400 million years ago, were capable of swimming long distances across oceans.
These ancient creatures, known as eurypterids, were apex predators and could grow to be larger than humans, wielding powerful claws and a tough exoskeleton.
This discovery challenges our understanding of these arthropods, pushing the boundaries of what we thought they could achieve.
The sudden extinction of these once-dominant creatures after the early Devonian period remains a mystery to scientists.
