During the Carboniferous Period, Earth's atmospheric oxygen levels surged, helping some plants and animals grow to gigantic ...

Was the biggest bug to ever live a predator? Scientists claim that the huge primitive millipede was a plant eater.

There is a giant prehistoric dragonfly called Meganeura monyi, with a wingspan of more than one metre. If we brought them back, it would be the closest thing to riding dragons we'd have - only if ...

One of the most iconic was the meganeura. This insect resembled a modern-day dragonfly, except with a major twist. It had a wingspan of up to 75 centimeters (30 in.). Scarier than that ...

Other examples of Carboniferous arthropod gigantism included Meganeura, an eagle-sized dragonfly, and Pulmonoscorpius, a scorpion more than 3 feet (1 meter) long. "There are two possible factors ...

“I love to imagine it as the ‘cow’ of the Carboniferous, eating during most of the day — but, of course, a cow with an exoskeleton and many more legs.” Other examples of ancient arthropod gigantism ...