The discovery of a golden scaleless fish in China is helping scientists understand how animals evolved to live in caves.

Scientists in China have discovered a rare golden scaleless cave fish, offering new insights into how species adapt to underground life.

With high carbon dioxide, low oxygen and no photosynthesis, here’s how an entire ecosystem persists in Movile Cave, one of the most extreme environments on Earth.

The venomous centipede crawled into the Movile Cave millions of years ago and adapted to live in the pitch black, surrounded ...