As satellites fill Earth’s orbit, the space race is at risk of becoming an environmental disaster

'This sounds weak': how the satellite hit chain can get out of control

Our relationship with space is changing rapidly. For almost all of human history, the space above us was an unreachable limit. Yet in one lifetime, the Earth’s orbit has gone from empty to crowded with satellites. In the meantime, although the moon is still rare, in the next few decades it is expected to be … Read more