Our weekly $25 shopping challenge continues. This week, I headed downtown to check out Arizona Poppy, 150 S. Fourth Ave., and ...

Some animals can regrow lost body parts. Salamanders and frog tadpoles can rebuild entire limbs after amputation. Mammals cannot. For decades, biologists have tried to understand why. Now a team led ...

Researchers have discovered why amphibians regenerate limbs and mammals do not ...

The second phase of building an axolotl tank focuses on stability, comfort, and long-term health. As new elements are added, ...

Scientists have found evidence that a 300-million-year-old sea creature previously thought to be the world's oldest octopus ...