Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

Elephants are the largest land animals on Earth, and they're also one of the most unique-looking animals. With their characteristic long trunks, floppy ears and thick legs, there is no other ...

An asteroid capable of flattening a mid-sized city could potentially collide with Earth eight years from now ... He shared key facts about the asteroid with CBS News during the below conversation ...

Its sheer height makes it an awe-inspiring monument, challenging the boundaries of human endurance and the allure of the unknown ... Picture the Earth as a living, breathing entity, continually ...

But did you know that astronauts actually shrink when they return to Earth? This is just one of the many strange effects space has on the human body. From changes in bone density to altered vision ...