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 ...

you'll find a variety of Earth Day facts below that you might not already know. In this collection of trivia bits, you'll find interesting facts on how the observation got its start, the founders ...

However, many years ago, the Earth looked very different to how it does today. Around 250 million years ago, all of the continents were joined together as one supercontinent called Pangea.

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

A collection of down-to-Earth facts about our planet and its place in the solar system. This collection introduces the Sun as the main source of light and heat on Earth. It explains that the Earth ...

As the Northern Hemisphere welcomes spring today, the Southern Hemisphere is marked with the first day of autumn.

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 ...

He shared key facts about the asteroid with CBS News during the below conversation, which has been edited for clarity. When would the asteroid hit Earth? This asteroid passes us by every four years.