Earth Day is one of the most popular and widespread non-religious holidays in the world, recognized in over 100 nations across continents. Although the event was primarily based in the United States, ...

Google Earth combines satellite imagery and aerial photography to create a rich picture of earth. You can use Google Earth online, on your smartphone or tablet, or on its desktop app — all for free.

Earth may experience an entirely new meteor shower this December when our planet enters a stream of the debris left around the sun by a near-Earth comet. These meteors will appear to stream from the ...

Earth Hour - the world's largest environmental movement - is returning for its 18th year and aims to create the biggest hour for Earth yet. On 23 March Earth Hour will focus on uniting people around ...

The primordial fires just after the Big Bang. The atmospheres of distant planets around another star. The towering pillars of interstellar dust glowing brightly in the vastness of space. That is what ...