BuzzNewzz

The smallest planet in the Solar System has become even smaller, studies by the Messenger spacecraft have shown. Data from a flyby of Mercury in January 2008 show the planet has contracted by more than one mile (1.5km) in diameter over its history. First Results From Messenger's Mercury Flyby Slashdot Mercury is shrinking, NASA craft finds; a cool clue: 'lobate scarps' Los Angeles Times