Medicine & TechnologyCassiopeia A occupied a large space due to a stellar explosion. See more about why part of the supernova moves inward instead of expanding.
The International Gemini Observatory has twin 8.1meter diameter optical/infrared telescopes that recently captured an image of the Chamaeleon Infrared Nebula that resembles a one-winged butterfly.
National Aeronautics and Space Administration’s (NASA) Hubble Space Telescope found error codes after capturing a hazy halo hugging a colorful planetary nebula.
A mysterious "superbubble" dominates the view of the latest image from the Hubble Space Telescope. Scientists linked this dark and starry gap to a supernova activity.
Chinese scientists have made a new discovery that challenges classical physical theories that point to the Crab Nebula having a super electron accelerator. It is so powerful that scientists could not believe it exists.