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Scientists elucidate the origin of the darkest galaxies in the universe
Ghostly galaxies composed almost entirely of dark matter speckle the universe. Unlike normal galaxies, these extreme systems contain very few stars and are almost devoid of gas. view more (2007-02-15)
New stars from old gas surprise astronomers
Evidence of star birth within a cloud of primordial gas has given astronomers a glimpse of a previously unknown mode of galaxy formation. The cloud, known as the Leo Ring, appears to lack the dark matter and heavy elements normally found in galaxies today. view more (2009-02-19)
First Image and Spectrum of a Dark Matter Object
Astronomers have observed a Dark Matter object directly for the first time. Images and spectra of a MACHO microlens - a nearby dwarf star that gravitationally focuses light from a star in another galaxy - were taken by the NASA/ESA Hubble Space Telescope and the European Southern Observatory's Very Large Telescope. The Riddle of Dark Matter The... view more... (2001-12-05)
Galaxy evolution in cyber universe matches astronomical observations in fine detail
Scientists at the University of Chicago have bolstered the case for a popular scenario of the big bang theory that neatly explains the arrangement of galaxies throughout the universe. view more (2006-06-06)
Were the first stars dark?
Perhaps the first stars in the newborn universe did not shine, but instead were invisible "dark stars" 400 to 200,000 times wider than the sun and powered by the annihilation of mysterious dark matter, a University of Utah study concludes view more (2007-12-03)
University of Minnesota astronomers find gaping hole in the Universe
University of Minnesota astronomers have found an enormous hole in the Universe, nearly a billion light-years across, empty of both normal matter such as stars, galaxies and gas, as well as the mysterious, unseen "dark matter." While earlier studies have shown holes, or voids, in the large-scale structure of the Universe, this new... view more... (2007-08-24)
Durham team discover a cosmic flow of galaxies across one billion light years of the universe
They have discovered that the distribution of dark matter is far less smooth than has been predicted by theorists, and that the Milky Way is among a flow of galaxies moving together in the direction of the constellation Vela in the southern hemisphere. view more (1999-01-29)
Hubble finds double Einstein ring
The NASA/ESA Hubble Space Telescope has revealed a never-before-seen optical alignment in space: a pair of glowing rings, one nestled inside the other like a bull's-eye pattern. The double-ring pattern is caused by the complex bending of light from two distant galaxies strung directly behind a foreground massive galaxy, like three beads on a... view more... (2008-01-11)
Night blindness may explain fear of the dark
Fear of the dark is a common complaint in children and is often attributed to attention seeking behaviour. Yet researchers in this week's BMJ suggest that it may be due to night blindness - a diagnosis which can be easily missed. They describe two children with an inherited form of stationary night blindness. Both were very frightened of the dark,... view more... (2003-01-22)
The violent lives of galaxies: Caught in the cosmic matter web
Astronomers are using the NASA/ESA Hubble Space Telescope to dissect one of the largest structures in the Universe as part of a quest to understand the violent lives of galaxies. Hubble is providing indirect evidence of unseen dark matter tugging on galaxies in the crowded, rough-and-tumble environment of a massive supercluster of hundreds of... view more... (2008-01-11)
Earth not center of the universe, surrounded by 'dark energy': UBC cosmologists
Earth's location in the Universe is utterly unremarkable, despite recent theories that propose toppling a foundation of modern cosmology, according to a team of University of British Columbia researchers. view more (2008-12-19)
Crystal bells stay silent as physicists look for dark matter
Scientists of the Cryogenic Dark Matter Search experiment today announced that they have regained the lead in the worldwide race to find the particles that make up dark matter. The CDMS experiment, conducted a half-mile underground in a mine in Soudan, Minn., again sets the world's best constraints on the properties of dark matter candidates. view more (2008-02-26)
Crash Test-Iconic Rings and Flares of Galaxies Created by Violent, Intergalactic Collisions, Research by Pitt and Partners Finds
The bright pinwheels and broad star sweeps iconic of disk galaxies such as the Milky Way might all be the shrapnel from massive, violent collisions with other galaxies and galaxy-size chunks of dark matter, according to a multi-institutional project involving the University of Pittsburgh. view more (2008-11-24)
Supercomputer could throw light on 'mysterious' dark energy
Cosmologists have run a series of huge computer simulations of the Universe that could ultimately help solve the mystery of dark energy. view more (2008-01-11)
A few squares of dark chocolate a day may stave off artery hardening in smokers
Dark chocolate may stave off artery hardening in smokers, and a few squares every day could potentially cut the risk of serious heart disease. view more (2005-12-20)
Upside-down underwater telescope to study visitors from space
Scientists from the Universities of Sheffield and Leeds will soon be able to study some of the most elusive particles known to man, thanks to a giant telescope under the sea that looks down towards the centre of the Earth rather than up into the sky. Together with fellow scientists from across Europe they are building a telescope 2400m (one and a... view more... (2003-03-17)
Simulations Illuminate Universe's First Twin Stars
The earliest stars in the universe formed not only as individuals, but sometimes also as twins, according to a paper published today in Science Express. view more (2009-07-10)
Astrophysicists Solve Mystery in Milky Way Galaxy
A team of astrophysicists has solved a mystery that led some scientists to speculate that the distribution of certain gamma rays in our Milky Way galaxy was evidence of a form of undetectable "dark matter" believed to make up much of the mass of the universe. view more (2009-07-09)
Study plunges standard theory of cosmology into crisis
As modern cosmologists rely more and more on the ominous "dark matter" to explain otherwise inexplicable observations, much effort has gone into the detection of this mysterious substance in the last two decades, yet no direct proof could be found that it actually exists. view more (2009-05-06)
Texas A&M researchers examine Einstein's theories on the universe
Einstein's self-proclaimed "biggest blunder" - his postulation of a cosmological constant (a force that opposes gravity and keeps the universe from collapsing) - may not be such a blunder after all, according to the research of an international team of scientists that includes two Texas A&M University researchers. view more (2007-11-28)
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