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

The Triassic period was a unique episode in Earth’s ecological history, and it began on Pangaea. During this time, the climate ranged ... In the Permian period before, the largest mass ...

Something—a bout of violent volcanic eruptions, climate change ... all the Earth's landmasses had coalesced to form Pangaea, a supercontinent shaped like a giant C that straddled the Equator ...