Three-hundred-million years ago, Earth was very different. The continents had coalesced into Pangea, which was dominated in its equatorial regions by vast coal-swamp forests. With high atmospheric ...

Unlocking answers about giant ancient insects! Here's why an abundance of oxygen 300 million years ago may not explain why ...

The size of dragonflies and damselflies varies around the globe. These insects are generally larger in temperate areas than in the tropics. According to a new study from Lund University in Sweden, ...

Add Yahoo as a preferred source to see more of our stories on Google. The griffinfly, now extinct, once stretched its wings nearly 70 centimeters wide. (CREDIT: Werner Kraus / Wikimedia / CC BY-SA 4.0 ...

Millions of years ago, oversized insects such as griffinflies boasting wingspans comparable to today's hawks scuttled across (and fluttered above) the planet. But why these jumbo jets of the insect ...