A rush rescue mission to save a NASA space telescope remains grounded, this time because of a last-minute launch problem.
Citizen scientists using the Kilonova Seekers platform spotted a stellar flash 2,500 times brighter than before, allowing astronomers to identify the exploding cataclysmic variable GOTO0650 within ...
The actual SR-71 Blackbird holds a speed record of Mach 3.3, set in 1976, that no aircraft has managed to surpass in the decades since. The RC version ...