This valuable work formulates an individual-based model to understand the evolution of division of labor in vertebrates, in particular, to examine the role of indirect versus direct fitness benefits.

After a brief rain 350 million years ago, a reptile pressed its claws into the ground. Its tracks now show the oldest-known ...

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

Embedded in the slab’s fine sandstone are delicate imprints: long toes ending in sharp claws, left by an animal that trotted ...

A sandstone slab discovered in the Snowy Plains Formation, located in the Mansfield Basin of southeast Australia, preserves ...

Sandhill cranes travel thousands of miles every year between their breeding grounds and wintering sites. Along the way, they ...

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

Knife-toothed reptiles called sebecids went extinct on the mainland 10 million years ago. New fossil evidence puts them on an island 4 million years ago.

New fossil tracks found in Australia may rewrite everything we thought we knew about animals’ move from sea to land.

A snail named after painter Pablo Picasso is one of many species named after artists, but some researchers question whether ...

At a conference in Washington, D.C., in 2000, the secretoglobin super family of proteins was named to classify proteins with ...

But in a study published in Journal of Vertebrate Palaeontology ... understanding the evolutionary relationships of different groups of animals, these studies should be calibrated using knowledge ...