It’s hard not to relate to the little insects that carnivorous plants like the Cape sundew, Venus flytraps and pitcher plants ...

Social-media users revealed which pets they'd never own again—and the answers are surprisingly emotional, messy, and honest.

It's not easy to look at a sea spider and see an animal so representative of its kind that it may help scientists sort out ...

Only animals that evolved to live solely on land ever developed claws. The earliest vertebrates -- fish and amphibians – never developed hard nails and remained dependent on watery environments ...

Only animals that evolved to live solely on land ever developed claws. The earliest vertebrates -- fish and amphibians — never developed hard nails and remained dependent on watery environments ...

This image provided by Prof. Per Erik Ahlberg shows a slab of sandstone found near Melbourne, Australia preserving fossil footprints from a reptile-like animal that lived around 350 million years ago.

Complex neural circuits likely arose independently in birds and mammals, suggesting that vertebrates evolved intelligence multiple times. Skip to main content Menu ...

Only animals that evolved to live solely on land ever developed claws. The earliest vertebrates — fish and amphibians – never developed hard nails and remained dependent on watery environments ...

One possibility is that intelligence in vertebrates — animals with backbones, including mammals and birds — evolved once. In that case, both groups would have inherited the complex neural pathways ...

Only animals that evolved to live solely on land ever developed claws. The earliest vertebrates -- fish and amphibians – never developed hard nails and remained dependent on watery environments ...

Only animals that evolved to live solely on land ever developed claws. The earliest vertebrates — fish and amphibians – never developed hard nails and remained dependent on watery environments ...

Only animals that evolved to live solely on land ever developed claws. The earliest vertebrates — fish and amphibians – never developed hard nails and remained dependent on watery environments ...