DEATH VALLEY NATIONAL PARK, Calif. — Paleontologists call it “The Barnyard,” a remote box canyon in an inhospitable desert where slabs of mud stone as big as billboards are indented with fossil tracks ...
NEW YORK — A big catch of fish fossils in southern China includes the oldest teeth ever found — and may help scientists learn how our aquatic ancestors got their bite. The finds offer new clues about ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results