02.29.12 - Astronomers have spotted young stars in the Orion nebula changing right before their eyes, thanks to the European Space Agency's Herschel Space Observatory and NASA's Spitzer Space Telescope.
02.27.12 - A curious correlation between the mass of a galaxy's central black hole and the velocity of stars in a vast, roughly spherical structure known as its bulge has puzzled astronomers for years.
02.24.12 - Researchers using multiple NASA space observatories have been studying an object known as an ultraluminous X-ray source in the neighboring Andromeda galaxy.
02.24.12 - In 1843, Eta Carinae was the second-brightest star in the night sky. By the 20th century, it was invisible to the naked eye.
02.21.12 - Even stars that appear static are subject to change -- some because the gas disc from their death throes periodically obscure their brilliance.
02.22.12 - Astronomers using data from NASA's Spitzer Space Telescope have, for the first time, discovered buckyballs in a solid form in space.
02.21.12 - Astronomers using NASA's Chandra X-ray Observatory have clocked the fastest wind yet discovered blowing off a disk around a stellar-mass black hole.
02.16.12 - This edge-on galaxy, called ESO 243-49, is home to a mid-sized black hole that may have been stripped off of a cannibalized dwarf galaxy.
02.17.12 - Even stars that appear static are subject to change -- some because the gas disc from their death throes periodically obscure their brilliance.
02.17.12 - Mating of NASA's NuSTAR observatory to its Pegasus rocket is underway.