Mark Zuckerberg, one of the world's wealthiest, has plenty of cash to blow on wildly lavish items, including a superyacht and ...

The only thing more incredible than how fast a hummingbird flaps its wings is how it builds its nest. These birds are masters ...

Dogs have long been members of the British royal family. From the Queen's corgis to Meghan Markle's beagles, here are all the palace pets.