With an estimated 8.75 million living species on earth, there are always going to be some weird and unusual animals you've never heard of. From the friendly-faced axolotl who's one of the most unusual ...

High in Canada’s Rocky Mountains, the animals ... world’s most important animal fossils.” With the explosion of life in Earth’s seas, the marine ecosystem was a hive of activity. Every ...

These bizarre animals are a type of sea cucumber and measure around 1.5 to 6 inches (4 to 15 centimeters) long. They get their name from their squishy, bloated bodies and stubby little legs, which ...