On paper, the USSF is dedicated to defending U.S. interests in space. More specifically, the USSF is charged with protecting ...

Almost 4,000 years ago, an unknown scholar in ancient Mesopotamia wrote the first known book on a series of clay tablets. The ...

Big static pumping engines—everyone knew how to make those. Hook them up to an air pump, then connect the pump to an iron tube midway between the rails. In the top of the tube was a continuous ...

Not today. The air is perfectly still. The hundreds of huge windmills that dot the ridges are motionless, the sky is without clouds, the visibility without limit. I’ve pulled the rpm way back ...

A Beautiful Planet is a breathtaking portrait of Earth from space, providing a unique perspective and increased understanding of our planet and galaxy as never seen before. One of the greatest ...