Moon

Neil Armstrong, first man on moon, dies
Neil Armstrong, the astronaut who became first to walk on the moon as commander of Apollo 11, has died. He was 82 years old. Armstrong had heart surgery several weeks ago, and a statement from his family said he died following complications resulting from cardiovascular procedures. Sat, 08/25/2012 - 10:35pm
The ‘Big Splat’ theory: Scientists say Earth once had 2 moons, until they collided
Astronomers theorize that the moons were formed about 4.5 billion years ago, when a giant planet smashed into Earth. Wed, 08/03/2011 - 7:25pm