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How the Milky Way Killed Off Nearby Galaxies
October 18, 2011 — Researchers have revealed for the first time the existence of a new signature of the birth of the first stars in our galaxy, the Milky Way. More than 12 billion years ago, the intense ultraviolet ... > full story -
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 -
Clearing the 'Cosmic Fog' of the Early Universe: Massive Stars May Be Responsible
October 12, 2011 — The space between the galaxies wasn't always transparent. In the earliest times, it was an opaque, dense fog. How it cleared is an important question in astronomy. New observational evidence shows ... > 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 -
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 -
EUCLID Space Mission Selected by European Space Agency
October 5, 2011 — The Max Planck Institute for Extraterrestrial Physics in Garching, together with the Observatory of the Ludwig-Maximilians-University Munich, is a major partner in the EUCLID space mission that has ... > full story -
Dark and Bright: European Space Agency Chooses Next Two Science Missions
October 5, 2011 — The powerful influence of the sun motivates the European Space Agency’s next science mission. Solar Orbiter was selected for implementation, with launch planned for 2017. Scientists in Germany ... > full story -
Ancient Supernovas Discovered: 10-Billion-Year-Old Exploding Stars Were a Source of Earth's Iron, Researchers Say
October 5, 2011 — Astronomers have just discovered 12 of the most distant and ancient supernovas ever seen, 10 of them in a part of the sky called the Subaru Deep ... > full storyMore: -
2011 Nobel Prize in Physics: Discovery of Expanding Universe by Observing Distant Supernovae
October 4, 2011 — The Royal Swedish Academy of Sciences has awarded the Nobel Prize in Physics for 2011 to Saul Perlmutter, Brian P. Schmidt and Adam G. Riess, for the discovery of the accelerating expansion of the ... > full story -
Gravitational Waves That Are 'Sounds of the Universe'
October 3, 2011 — Einstein wrote about them, and we're still looking for them -- gravitational waves, which are small ripples in the fabric of space-time, that many consider to be the sounds of our universe. Just as ... > full story
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