UK Daily Mail The flow of hot gas toward a black hole has been clearly imaged for the first time in X-rays. The observations from Nasa’s Chandra X-ray Observatory will help tackle two of the most fundamental problems in modern astrophysics - unde… more »

   The first x-ray images of a lightning strike have been captured by a, well, lightning-fast camera, scientists say. The pictures suggest a lightning bolt carries all its x-ray radiation in its tip. (Get lightning facts.) Richard A. Lovett in San Fra… more »