Paleontologists Find 3.58-Million-Year-Old Ground Sloth Fossil

Stunningly Preserved 220-Million-Year-Old Dinosaur Footprint Discovered by 4-Year-Old

2,000-Year-Old Mummy Buried With a Gold Tongue Uncovered in Egypt

150 Million-Year-Old Fossil Of An Ammonite That Lost Its Shell Offers A Rare Glimpse Into Its Internal Anatomy