... On the outside is a ring dominated by bright blue stars, while near the center lies a ball of much redder stars that are likely much older. ... Streaking into the early morning sky on August 3rd, a Delta II rocket launches NASA's Messenger spacecraft on an interplanetary voyage to Mercury. ... Perseid Fireball Over Japan . ... Enjoying the bright Moon's absence from early morning skies, observers around the world reported lovely displays during this year's Perseid meteor shower. ... A Perseid Meteor...