Aerospace

Starlink satellites can be reverse-engineered to create new GPS
Space ads could earn $2 million a day, say Russian researchers 
SpaceX announces Starlink Aviation service for planes
First-of-its-kind rocket engine nears first flight test
NASA’s mission proves it can redirect an asteroid — and potentially save Earth
How NASA plans to stop killer asteroids 
A cure for blindness may be first product made in space 
SpaceX wants to save Hubble. NASA may be on board. 
Webb, Hubble capture spacecraft slamming into asteroid
Watch NASA’s DART spacecraft slam into an asteroid