SpaceDo we occupy a special place in the universe? The Copernican principle has it that our corner of the cosmos is nothing special – now researchers say red shift can tell us if this is true 51¶¯Âþ
SpaceDark matter theories vie to explain odd radiation Two competing theories claim to explain mysterious microwave radiation and gamma rays emanating from the heart of the Milky Way 51¶¯Âþ