Add Yahoo as a preferred source to see more of our stories on Google. Archaeologists uncovered teeth from an ancient human ancestor in Ethiopia's Afar Region. - Amy Rector/Virginia Commonwealth ...

Vol. 2 by Thomas E. Bolton. "The first comprehensive 'Catalogue of types and figured specimens of fossil plants in the Geological Survey of Canada collections' was published by W.A. Bell in 1962 ...

Strong but light, beautiful and precisely structured, feathers are the most complex skin appendage that ever evolved in vertebrates. Despite the fact humans have been playing with feathers since ...