The Horned Serpent panel at La Belle France in the Free State province of South Africa was painted by the San people at least two hundred years ago. It...
A new genus and species of caseid synapsid that lived 264 million years ago (Permian period) has been identified from a partial but well-preserved postcranial...
The whole-body endothermy seen in modern birds and mammals is long held to have evolved independently in each group, a reasonable assumption when it was...
The ancestors of both mammals and birds became warm-blooded at the same time, some 250 million years ago, in the time of the end-Permian mass extinction,...
A Carboniferous-period fossil found in Nova Scotia, Canada, shows an ancient creature called a varanopid synapsid (family Varanopidae) caring for its young.
An...
A new study, published in the journal Development, has confirmed the transient presence of atavistic muscles — present in our ancestors, but normally...
Paleontologists in Poland have found fossil fragments from a giant new species of mammal-like reptile that walked the Earth approximately 237 million years...
Herbivorous, or plant-eating, mammals have bigger bellies than their usually slim carnivorous counterparts, according to a study led by University of Zurich...