China to launch Chang'e-2 lunar probe around 2009
China plans to launch its second lunar probe, Chang'e-2, around 2009, according to a top satellite scientist. Ye Peijian, chief commander and designer of China's first moon probe satellite system, revealed the plan during an intervi ... english.people.com.cn
Gauging Age of Universe Becomes More Precise
Two additional years of data from a NASA satellite have narrowed the uncertainty in the age of the universe by tens of millions of years. nytimes.com