A combined view of the Antennae Galaxies, taken by the ALMA radio telescope array and the Hubble Space Telescope.
World's Most Complex Radio Telescope Snaps Stunning 1st Photo of the Cosmos
After years of planning, construction and assembly, a gigantic observatory billed as the world's most complex array of ground-based telescopes has opened its eyes in South America and captured its first image. The ALMA telescope in Chile is up and running. [Full Story]