By studying this system, researchers uncovered a mismatched composition of gases in the planet’s atmosphere compared to gases ...

A California ground squirrel in Conta Costa County runs with a vole it hunted in its mouth. A study from UC Davis and University of Wisconsin-Eau Claire is the first to document widespread carnivorous ...

A California ground squirrel eats a vole it hunted in Briones Regional Park in Contra Costa County. Credit must be given to the creator. Only noncommercial uses of the work are permitted. No ...