Meet the dog-sized scorpion that may have been Britain’s top predator 415 million years ago, long before dinosaurs

A collection of fossils that spent generations in museum drawers has revealed an unexpected chapter in Britain’s distant past ...
Hosted on MSN

They are a major threat to wildlife around the world, as native animals are ill-equipped to cope with the onslaught of a new predator

What is an alien species? An alien species is any non-native plant, animal or other organism introduced into a place that was never part of its natural range. Sometimes known as invasive, introduced ...