Three-hundred-million years ago, Earth was very different. The continents had coalesced into Pangea, which was dominated in ...

Scientific consensus is that high oxygen levels allowed these humongous fliers to exist, but a new study throws that idea ...

Learn how ancient oxygen levels in the Paleozoic era were linked to giant insect size, and why that theory is now being ...

Fossil relatives of dragonflies, known as griffinflies, had wingspans of 70 centimeters (28 inches) 300 million years ago, and they weren’t the era’s only insects that far exceeded their modern ...

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 ...

Global relationship between body size shifts and biogeographical range shifts between the tropical and temperate zone in extant Odonata. Credit: Journal of Biogeography (2022). DOI: 10.1111/jbi.14544 ...

Giant insects that ruled prehistoric skies for millions of years may have met their end due to the evolution of predatory birds, researchers say. Gigantic insects once dominated the Earth. About 300 ...

I like big bugs. I cannot lie. But which insect is the biggest? I asked my friend Rich Zack. He’s an insect scientist at Washington State University. He told me the answer depends on how you define ...

Look at the nail of your pinky finger. That’s about the width of the biggest known insect egg, which belongs to the earth-borer beetle Bolboleaus hiaticollis. The smallest egg, from the wasp ...

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, ...