Here are some fun facts about Earth as we celebrate this planet we live on for Earth Day. The Earth’s diameter at the equator is 7,926 miles. Sign up for our Newsletters Our atmosphere is made ...

If you can name it, you're a true Earth Day fan. Otherwise, read on to find out what it is along with other fun facts about the planet and this annual celebration of Mother Earth. There's more ...

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.

Earth Day is April 22. Here's what to know about how Earth Day happened and how to celebrate our planet this April.

On 31 March 2007, more than 2.2 million individuals and 2,000 businesses in Sydney, Australia switched off their lights for one hour, which marked the beginning of the Earth Hour movement. And that ...

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the biggest animal that has ever existed. Whales can be found in every ocean ...