A revolutionary image made over 10 days in December 1995 from the Hubble Telescope 30 years ago of an area of the sky astronomers had thought was empty displays a massive quantity of celestial bodies.

This screenshot from CCTV (China Central Television) shows China’s first moon rover Yutu, or Jade Rabbit, in an image taken by the camera on the Chang’e 3 moon lander, Dec. 15, 2013. China does not ...