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 ...

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 ...

Scientists use many proxies to reconstruct Earth's ancient climates. Pollen, diatoms, geochemical isotopes and fossils, for example, all contribute to piecing together past-climate puzzles. The ...

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, ...

Researchers have cast new light on why the giant insects that lived millions of years ago disappeared. Researchers at the U.S. Department of Energy's Argonne National Laboratory have cast new light on ...