Jacob Sagrera unrolls an alligator skin and lays it flat on a metal table, brushing off flecks of salt. He holds it up to the light, looking for blemishes, and gives it a score. That score will help a ...

Meet Lucy's hunter, a massive, horned crocodile that likely terrorized early human ancestors in ancient Ethiopia.

Britain once had lynx, wolves, bears, cave lions, and even crocodiles roaming its landscapes. Over thousands of years, climate shifts and human activity pushed many of these animals into extinction.