In early May, a little-known nonprofit offered a reward unprecedented in China’s conservation circles: 100,000 yuan ($14,000) for a single photo or video of the Yangtze giant softshell, a species so ...

For years, the Coleman family's fishing trips on the Alabama Gulf Coast were routine. But in 2021, their outing near a riverbank led to an odd find: the shell of a 32-million-year-old leatherback sea ...