ALBUQUERQUE, Oct. 31 (UPI) -- U.S. paleontologists have discovered fossilized full body imprints of amphibians that lived more than 100 million years before the first dinosaurs.

LAS CRUCES, N.M., March 27 (UPI) -- Protection is being sought for a 290-million-year-old New Mexico archeological site where thousands of ancient fossil footprints have been discovered.

DENVER, Nov. 5 (UPI) -- U.S. scientists have recalculated the length of the longest animal that ever lived and found it actually was 40 percent shorter than previously estimated.

DENVER, Nov. 5 (UPI) -- Paleontologists have discovered tracks of five-toed animals that may have been among the first to conquer the land preserved in rock on a Nova Scotia beach.