Previous studies concluded there were some weird light-generating objects out there, but that doesn't appear to be the case. Reading time 3 minutes To paraphrase the great Nigel Tufnel, when you look ...

We finally know just how dark it is in deep space. NASA’s New Horizons spacecraft has made the first precise measurements of the ambient light that suffuses the universe, called the cosmic optical ...

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 ...