Meet animals that grow for a lifetime, sometimes for centuries, and discover why dinosaurs did not, despite their huge size.

PHOENIX, Dec. 23 (UPI) -- A mathematical model of the foraging behavior of animals from sharks to honey bees can describe human hunter-gatherer movement as well, U.S. scientists say. The mathematical ...

For a small number of animals, reproduction marks a biological endpoint rather than a stage in an ongoing life cycle. Death ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. The natural world presents a palette of beautiful complexity. From the ...

From tiger stripes to leopard spots, the animal world is full of distinctive and intricate patterns. In a new study, CU Boulder scientists refined their previous theory of how animal patterns form and ...

For the first time, fossil jaw measurements confirm that land animals developed legs millions of years before their feeding systems changed enough to let them eat a land-based diet. The pattern had ...

Insomnia isn't just for humans — animals experience it, too. And with the Earth's temperatures steadily rising due to human activity, scientists fear that the ripple effects of bad sleep could be ...

If you’re wondering why squirrels seem to vastly outnumber raccoons – or why certain car brands dominate city streets – a team of University of Virginia researchers may be able to help. Some species ...

For simplicity, we focus here broadly on the idea of discriminating 'pathogens' from 'non-pathogens'. We acknowledge that microorganisms should be considered as a spectrum that includes commensals, ...

Discover the fascinating world of camouflage and masterful mimicry in this gallery of hidden animals. From elusive snow leopards to tiny mantises, these animals of all shapes and sizes can blend ...