European eels make an incredibly grueling, mysterious migration to spawn in the Sargasso Sea.

Trafficking of juvenile ‘glass’ eels from Europe to Asia generates up to €3bn a year but the species is on the brink of ...

After his company, Colossal Biosciences, successfully revived the dire wolf from extinction, he's ready to continue to change ...

The return of the iconic predators to the Golden State has been a quiet success story—but this month, state officials ...