The first evidence of a planet's destruction by its aging star has been discovered by an international team of astronomers.
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The Sloan Digital Sky Survey III (SDSS-III), an international collaboration that includes Penn State astronomers, has produced the largest-ever three-dimensional map of massive galaxies and distant black holes.
A new space telescope is scheduled to rocket into orbit during a launch window that begins at 11:30 a.m. EDT on June 13.
Prof Jim Hansen to use lecture at Edinburgh International Science Festival to call for worldwide tax on all carbon emissions