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 ...

“Serpent Mound is the largest serpent effigy built anywhere on the planet Earth,” O’Grady said. “Serpent Mound is built up on ...

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 ...

Narrator: 4 and a half billion years ago, clouds of cosmic dust and gas which were orbiting the Sun collided into one another, creating the Earth, our planet, the home of mankind. It spins at 1000 ...

and asks the simple but profound question: how do we move these decisions from minor to monumental? At the heart of Strange Days on Planet Earth is the award-winning PBS series, hosted and ...

More planets may be capable of sustaining life than previously thought as they contain water, according to new research. Scientists have long known that Earth has an iron core surrounded by a ...

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 ...

During the most critical month of the year, May, the Planet Earth Live team followed the lives of individual young animals growing up in the wild. They captured the incredible real life stories ...