Spooky 'skull asteroid' whizzes past Earth on Halloween

Linus was right: the "Great Pumpkin" is real. Turns out it's an asteroid, a 2,000-foot-wide, skull-looking chunk of space rock that zipped past the Earth on Halloween afternoon at about 78,000 mph. NASA scientists gave it the pumpkin moniker -- though it's actually called 2015 TB145 -- and it looks like a faceless head hurtling...