Scientists have estimated that there are 8.7 million animal species on Earth. Some of these are fierce ... varieties of stick insects. One of the coolest is the giant prickly stick insect ...

Today we will meet some of the coolest families of animals on earth, each fascinating group filled with precious babies, dedicated parents, and the odd "crazy uncle" or "aunty" to shake up the ...

The earliest humans emerged about 300,000 years ago. While many of Earth’s earliest life forms have long since gone extinct, some animals have stood the test of time–surviving through mass ...