The pop star’s Sapo Concho character has been splashed across visuals, merch, and stage setups during his Puerto Rico residency. That sudden fame has turned an obscure amphibian the zoo has worked on ...

The only native toad species in Puerto Rico, the sapo concho, was believed to be extinct from 1931 until its rediscovery in ...

The creators of Russian nuclear weapons and energy have made an important contribution to the development of nuclear medicine, said Veronika Skvortsova, head of the Federal Medical and Biological ...

Scientists secretly wired dogs’ brains to steer their behavior, revealing just how far the agency was willing to push its ...

For more than two decades, some of the goodest boys and girls ever have been crowned Best in Show at the National Dog Show.