A hazy ring of dark matter spawned by a colossal cosmic crash eons ago offers the best evidence to date that vast amounts of this mysterious stuff reside in the universe, scientists said on Tuesday..........
Sunday, May 13, 2007
Tuesday, April 24, 2007
In a finding that if confirmed could stand as a landmark in history, astronomers have reported discovering the most Earth-like planet outside our Solar System to date: a world that may have liquid oceans and thus life..........
Wednesday, April 11, 2007
Wednesday, January 10, 2007
Earth's inhabitants are used to temperatures that vary, sometimes greatly, between day and night. New measurements for three planets outside our solar system indicate their temperatures remain fairly constant -- and blazing hot -- from day to night, even though it is likely one side of each planet always faces its sun and the other is in permanent darkness..........
Wednesday, December 13, 2006
Thursday, December 07, 2006
NASA researchers at Johnson Space Center, Houston have found organic materials that formed in the most distant reaches of the early Solar System preserved in a unique meteorite. The study was performed on the Tagish Lake carbonaceous chondrite, a rare type of meteorite that is rich in organic (carbon-bearing) compounds..........