A den of 38-million-year-old snakes were found in the White River Formation near Douglas, Wyoming, have paleontologists super excited. They're among the most important complete fossils of snakes ever found. ======================================================================== Two of the three specimens of Hibernophis breithaupti, the 38-million-year-old snake from the White River Formation near Douglas. These snakes are members of the boid family, which includes modern-day anacondas and Wyoming's rubber boas. (Courtesy Jasmine Croghan) ================================================================== Around 38 million years ago, three small snakes slithered into a burrow seeking shelter from an apocalypse blanketing their world in volcanic ash. They never escaped, becoming entombed in the spot...