Imagine a dragonfly with a two-foot wingspan whizzing by your head. That was prehistoric Earth, and scientists just realised they've had the wrong explanation all along. Some 300 million years ago, ...

Ancient Earth once buzzed with enormous dragonfly-like insects, and scientists long thought high oxygen levels made their size possible. A new study overturns that idea, revealing insect flight ...

Three-hundred million years ago, the skies of the late Palaeozoic era were buzzing with giant insects. Meganeuropsis permiana, a predatory insect resembling a modern-day dragonfly, had a wingspan of ...