In Texas, biologists have documented an extraordinary bird — the natural hybrid offspring of a green jay and a blue jay. Once ...
Biologists at The University of Texas at Austin, who have reported discovering a bird that's the natural result of a green jay and a blue jay's ...
A fragment of ancient reptile skin discovered in an Oklahoma cave is changing what scientists know about early life on land. Dated to nearly 300 million years ago, this fossilized skin is now ...