earth

Possibly the best-preserved small impact crater ever seen on Earth has been found in the remote Egyptian desert. The crater is called Kamil and retains much of its structure, down to the rays of ejected material that were shot from the center when the space rock hit. Generally, craters in good...

Got $200,000 lying around? If so, you could be among the first commercial space travelers. The U.S. space program may have stalled, but that hasn't stopped billionaire mogul Richard Branson from advancing his vision of commercial space flight. This week, at a glitzy event in the windswept Mojave...