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Hubble Survey Carries out a Dark Matter Census
October 13, 2011 — The NASA/ESA Hubble Space Telescope has been used to make an image of galaxy cluster MACS J1206.2-0847. The apparently distorted shapes of distant galaxies in the background is caused by an invisible ... > full story -
Distant Galaxies Reveal the Clearing of the Cosmic Fog; New VLT Observations Chart Timeline of Reionization
October 12, 2011 — Scientists have used the European Southern Observatory's Very Large Telescope to probe the early Universe at several different times as it was becoming transparent to ultraviolet light. This brief ... > full story -
Amateur Skywatchers Help Space Hazards Team
October 12, 2011 — For the first time, observations coordinated by the European Space Agency's space hazards team have found an asteroid that comes close enough to Earth to pose an impact threat. The space rock was ... > full story -
Suspects in the Quenching of Star Formation Exonerated
October 11, 2011 — Some supermassive black holes power luminous, rapidly growing objects called active galactic nuclei (AGN) that gather and condense enormous quantities of matter. Because astronomers had seen these ... > full story -
Astronomers Find Bounty of Failed Stars: One Youngster Only Six Times Heftier Than Jupiter
October 11, 2011 — A team of astronomers has discovered over two dozen new free-floating brown dwarfs, including a lightweight youngster only about six times heftier than Jupiter, that reside in two young star ... > full story -
Robotic Telescope Network With Access Via Internet to Be Built
October 11, 2011 — Internauts will be able to connect to 17 telescopes on four continents to share observation time. A world network of robotic telescopes is to be developed as part of a European citizen science ... > full story -
Scientist Searches for Moons Around Asteroids
October 7, 2011 — Most people know that some planets have moons but would be surprised to know that some asteroids do, too. According to new research, about 20 percent of them ... > full story -
Astronomers Hone in on the Cause of Asteroid Scheila’s Outburst
October 7, 2011 — A remarkable discovery was made by astronomers on Dec. 12, 2010: an asteroid named Scheila had changed its appearance and looked more like a comet, complete with bright tail. An international team of ... > full story -
Astronomers Find Elusive Planets in Decade-Old Hubble Data
October 6, 2011 — In a painstaking re-analysis of Hubble Space Telescope images from 1998, astronomers have found visual evidence for two extrasolar planets that went undetected back then. Finding these hidden gems in ... > full story -
Crab Pulsar Beams Most Energetic Gamma Rays Ever Detected from a Pulsar
October 6, 2011 — Astrophysicists have detected pulsed gamma-ray emission from the Crab pulsar at energies far beyond what current theoretical models of pulsars can explain. With energies exceeding 100 billion ... > full storyMore:
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