http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Imagine a time when the entire universe froze. According to a new model for dark energy, that is essentially what happened about 11.5 billion years ago, when the universe was a quarter of the size it is today. http://www.physorg.com/news161026176.html Physics Fri, 08 May 2009 18:30:17 EST news161026176 (PhysOrg.com) -- The way galaxies move through the cosmos has recently begun to baffle scientists. Even when the gravitational theories of Newton and Einstein are taken into account, the universe is expanding and galaxies are rotating in ways that do not comply with our current knowledge and predictions. http://www.physorg.com/news145113960.html Physics Wed, 05 Nov 2008 13:26:00 EST news145113960