When Will We See Pictures from Ceres?01:16
NBC's Alan Boyle asks NASA official when will we start seeing pictures back from Dawn spacecraft after it obits the mysterious dwarf planet Ceres.
What happens in your brain when you’re falling in love01:54
2004: Mars rover discovers evidence of water on Red Planet01:37
This powerful laser beam is helping track the moon02:56
China's experiment proves life is possible on the Moon01:21
Watch this huge floating ice disk found rotating in Maine river01:08
This is how solar panels work01:15