Outer Space around earth is already pretty crowded. Tech firms are racing to pack even more satellites in / It's time for Europe to choose between US or Chinese satellite tech, says FCC chair / Project Babel: how Chinese scientists built the world's first satellite that makes smartphone calls possible / How the U.S. Military Uses Satellites to Detect Enemy Missiles / Satellites Are Getting a Constellation of Traffic Cops / A bitter pill: Amazon calls on rival SpaceX to launch Internet satellites / Amazon launches prototype satellites to test space-based internet delivery