An unbelievable find inside a 240-million-year-old fossil is changing what scientists thought they knew about early ocean predators.
A remarkable fossil from China shows a prehistoric predator right after a massive meal. Inside a 5-meter-long Guizhouichthyosaurus, scientists found the remains of a 4-meter marine reptile, a rare and direct proof that some Triassic hunters went afte... [3185 chars]