More than half a million satellites are planned to launch by the end of the 2030s, and simulations suggest they will have a severe impact on space-based astronomy ...
Deep in the southern constellation Columba, a spiral galaxy named NGC 1792 shines brighter than most of its size. Even after decades in orbit, NASA / ESA's Hubble Space Telescope has delivered one of its best shots yet of this starry island. Seen ...