Astronomers have discovered a giant, 500-light-year-wide cavity between two star-forming regions in the constellations Perseus and Taurus. An ancient supernova could be the culprit.
Watch for the Taurid and Leonid meteor showers this weekend. Sky & Telescope reporter Kelly Beatty says we should also keep an eye out for Venus and Mercury in the night sky.
Fall is an incredible time for amateur astronomers to get out there and look at the night sky. Some of the most recognizable and bright objects that can be seen in the night sky make their ...