Maps are useful tools to help people navigate ... A globe is a model of planet Earth, showing how it looks from space. This one shows all the countries of the world, almost 200, including the ...

In this map-based feature, gauge the scope and effects, both actual and potential, of the human "footprint" on our planet. To launch the interactive, click on the image at left.—Lexi Krock ...

For the first time, scientists have been able to map the ... "This planet's atmosphere behaves in ways that challenge our understanding of how weather works - not just on Earth, but on all planets.

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...

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 ...

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 ...