Imagine a world where dragonflies with wingspans rivaling that of a hawk darted through ancient forests, and millipedes as ...

By the end of the Carboniferous, the Earth's landmasses were moving toward a single, global supercontinent called Pangaea.

Around 370 million years ago, Earth gradually descended into the ... of iconic "coal forests" full of giant insects in the Carboniferous period during the ice age. It also paved the way for ...