In low Earth orbit, carbon dioxide emissions are changing atmospheric density in such a way as to reduce the natural mechanics of decluttering space debris. More debris equals more danger.

When it is finished, Qianfan could number 14,000 satellites

So crucial are the satellites that connect us (and spy on us) that the world above our heads could be the next major-power conflict zone. With China and India off to the moon, what next for space?

The Arabs predicted solar and lunar eclipses and proved the Earth's sphericity and rotation; today we can hardly find any astronomical tool without a deep Arab fingerprint

Last month, the Pentagon outlined plans for Space Force, U.S. President Donald Trump’s proposed sixth branch of the U.S. armed services, charged with protecting American interests in outer space…