A distinctive blue and green image of Earth reveals our planet's most remarkable features. At 4.54 billion years old, our home world is a venerable object. But it was only with the arrival of the ...

Satellite imagery provides a unique perspective on our planet and can encompass a wide ... Every week, we take a bird's eye view of Earth, and see how it affects the people living on it.

The planet Earth is about 4.5 billion years old. Earth spins at 1000 miles per hour. It takes 24 hours to complete a full rotation. It's daytime on the side of the Earth that faces the Sun and ...

So how old is our planet, and how do we even know its age? Earth formed about 4.54 billion years ago, about 10 million years ...

a full 138 degrees colder than Earth’s average temperature. Once upon a time, though, wind and water flowed across the red planet. Robotic rovers have found clear evidence that billions of years ...

The impacts of human actions on our home planet are now so large that many scientists are declaring a new phase of Earth’s history ... likewise free education and the internet for all has ...