The Falcon 9's upper stage successfully deployed the 21 Starlink satellites into low Earth orbit. This was the 16th flight for this particular first stage booster, according to a mission ...

And while risks to astronauts may be a top concern, congestion in orbit is also hazardous to satellites and space-based technologies that power our everyday lives — including GPS tools as well ...

So much junk is filling Earth's orbit that collision avoidance has become a busy business. "We're talking about the dead satellites, the rocket bodies, the fairings, the wrenches, the gloves ...