When you think of blood, the first colour that probably comes to mind is red. That’s true for most animals, including humans.

Researchers from the Physics and Biology Unit at the Okinawa Institute of Science and Technology (OIST) have discovered two ...

Professor Lars Schmitz joins WIRED to guide us through a giant tree of life mapping the evolution of eyes in the animal ...

A Coonhound named Otis who was rescued from a testing lab, found a loving home with a human who took him to the beach for the ...

Everyone knows that dinosaurs are extinct, and most people have some idea about how it might have occurred. But the exact ...

The Octophant Hunt is harder to spot than normal animal pools because it spawns a giant elephant head in the waters at the ...

Discover animals with more than one heart, from the three-hearted octopus to multi-hearted worms—evolution’s answer to unique ...

From fireflies to comb jellies, here is a list of eight animals that naturally glow in the dark. Fireflies use flashing light to attract mates, but begin emitting light even as larvae. The glowworm ...

Discover 10 fascinating animals with blue blood and learn how hemocyanin helps them survive in extreme and low-oxygen habitats.

To complete the Animals Bestiary, you’ll have to fish in the Animals pool. Unfortunately, the Animals Pool doesn’t have a ...

Check out the complete list of all the fishes you can get in the Sea 1 Animal Bestiary, along with all their preferences.