A tiny desert fish survives in a sun-scorched cavern on the edge of extinction. Here’s how it’s offering scientists a rare glimpse into the extremes life can endure. If you ever needed proof that ...

Add Yahoo as a preferred source to see more of our stories on Google. If you’ve ever wondered what true dedication looks like in the animal world, you don’t have to look further than the Discus fish.

With under 40 pupfish left in the wild, they are possibly the rarest fish on the planet. With under 40 pupfish left in the wild, these are possibly the rarest fish on the planet. The Devils Hole ...