Asteroid Apophis provides astronomers a chance to study a massive space rock

With asteroid Apophis no longer posing much of a threat to Earth, astronomers are poring over data captured as the monster space rock whizzed passed Earth late Wednesday. With the latest observations confirming the asteroid will miss Earth by a mere 20,000 miles in 2029 -- and by a similar margin seven years later in 2036 -- astronomers say they will now focus on crafting a better understanding of the cosmic behemoths... To continue reading, subscribe to Science Recorder today.