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'Dark core' may not be so dark after all 16 Dec 2012 | 12:00 pm
Astronomers were puzzled earlier this year when NASA's Hubble Space Telescope spotted an overabundance of dark matter in the heart of the merging galaxy cluster Abell 520. This observation was surpris...
Researchers find evidence for water ice deposits and organic material on Mercury 15 Dec 2012 | 12:00 pm
Planetary scientists have identified water ice and anomalously dark deposits within permanently shadowed regions at Mercury's north pole. They conclude the newly discovered black deposits are a thin d...
Fermi improves its vision for thunderstorm Gamma-ray flashes 15 Dec 2012 | 12:00 pm
Thanks to improved data analysis techniques and a new operating mode, the Gamma-ray Burst Monitor aboard NASA's Fermi Gamma-ray Space Telescope is now 10 times better at catching the brief outbursts o...
Astronomers discover and 'weigh' infant solar system 14 Dec 2012 | 12:00 pm
A young star no more than 300,000 years old is surrounded by a disk of dust and gas rotating in the same manner as planets in our Solar System, making it the youngest such infant system yet found.
Record-setting X-ray jet discovered 14 Dec 2012 | 12:00 pm
A jet of X-rays from a supermassive black hole 12.4 billion light years from Earth has been detected by NASA's Chandra X-ray Observatory. This is the most distant X-ray jet ever observed and gives ast...
Apollo's lunar dust data being restored 13 Dec 2012 | 12:00 pm
Forty years after the last Apollo spacecraft launched, the science from those missions continues to shape our view of the moon. In one of the latest developments, readings from the Apollo 14 and 15 du...
Astronomers discover 'missing link' of black holes 13 Dec 2012 | 12:00 pm
The discovery of a bingeing black hole in our nearest neighbouring galaxy, Andromeda, has shed new light on some of the brightest X-ray sources seen in other galaxies, according to new work co-authore...
A multi-wavelength view of radio galaxy Hercules A 13 Dec 2012 | 12:00 pm
Spectacular jets powered by the gravitational energy of a super massive black hole in the core of the elliptical galaxy Hercules A illustrate the combined imaging power of two of astronomy's cutting-e...
Even brown dwarfs may grow rocky planets 12 Dec 2012 | 12:00 pm
Astronomers using the Atacama Large Millimeter/submillimeter Array have for the first time found that the outer region of a dusty disc encircling a brown dwarf contains millimetre-sized solid grains l...
Galaxy-wide echoes from the past 12 Dec 2012 | 12:00 pm
A new galaxy class has been identified using observations from ESO's Very Large Telescope, the Gemini South telescope, and the Canada-France-Hawaii Telescope. Nicknamed 'green bean galaxies' because o...