Giant scorpions once ruled seas — and may have traversed entire oceans 

Giant sea scorpions were larger apex predators, larger than humans, with powerful claws and thick exoskeletons. Now, new research suggests they were globe-trotting endurance swimmers, too.

Giant scorpions once ruled seas — and may have traversed entire oceans 
Illustration of a large scorpion under water

Giant sea scorpions were larger apex predators, larger than humans, with powerful claws and thick exoskeletons. Now, new research suggests they were globe-trotting endurance swimmers, too.