Blue whales dwarf every animal that has ever existed, including every known dinosaur. Antarctic individuals stretch roughly ...

The new theoretical research proposes that animal size over time depends on two key ecological factors. The mystery behind why Alaskan horses, cryptodiran turtles and island lizards shrunk over time ...

University of Cape Town (UCT) researchers have collected clear evidence—over a 23 year period between 1976 and 1999—that climate change is shrinking animals' body sizes. Associate Professor Res ...

Even small differences in how fast animals grow during development can sum up to large differences in their adult body size. Nevertheless, adults of the same species are usually nearly identical in ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. When we think about the scope of our world’s diversity, ...

Biologists have launched a database of marine animals’ body sizes that they say could help preserve biodiversity in Earth’s oceans. Why bother measuring animals’ body size? In an article in Global ...

This video compares the sizes of the largest living animals with their extinct counterparts, revealing just how huge the latter were. A ton of videos comparing the sizes of stuff with other stuff have ...

In the Mesozoic Era, dinosaurs were the undisputed rulers of the land. The Argentinosaurus, possibly the largest dinosaur ...

As I scuba dive in Oslob Bay off Cebu Island in the Philippines, I see a tiny shadow dart over the surface of the spherical coral block – a minute fish, a goby of the genus Eviota, among the smallest ...

The mystery behind why Alaskan horses, cryptodiran turtles and island lizards shrunk over time may have been solved in a new study. The new theoretical research proposes that animal size over time ...