The vote came just 11 days after Senate Democrats, in a rare outbreak of vertebrate-adjacent conduct, voted down a similar ...

A new study suggests two fossil trackways found in Australia were made by an early amniote, a group that today includes ...

The ancient footprints from Australia were found on a slab of sandstone recovered near Melbourne and show reptile-like feet ...

Sometimes, all it takes to brighten your day is one tiny face with oversized eyes, fuzzy ears, or paws that seem two sizes ...

In Panama, the Smithsonian Tropical Research Institute – the only bureau of the Smithsonian outside the United States – ...

The earliest vertebrates -- fish and amphibians – never developed hard nails and remained dependent on watery environments to lay eggs and reproduce. But the branch of the evolutionary tree that ...

stuck to leaves and branches, today. But when did this common tree frog ancestor appear, and when did it diverge into these two separate frog families? A new study published in the Journal of ...

Fossil tracks found in Australia push the origin of reptiles back by 40 million years, altering the timeline of tetrapod ...