... Perseid Below . ... Denizens of planet Earth watched this year's Perseid meteor shower by looking up into the moonlit night sky. ... Rover Arrives at Endeavor Crater on Mars . ... Starting three years ago, NASA sent a coffee-table sized robot named Opportunity on a mission rolling across the red planet's Meridiani Planum to find out. ... Each August, as planet Earth swings through dust trailing along the orbit of periodic comet Swift-Tuttle, skygazers enjoy the Perseid Meteor Shower. ...