There Must Be Rules for How We Use Space, Defense Leaders need a worldwide pact.

Falling Chinese rocket debris spotted in space as White House weighs in (photo)

The Sounds of Titan In 2005, the European Space Agency's Huygens probe descended to the surface of Saturn's moon Titan. Microphones aboard Huygens recorded the sounds of descent and landing.

Putin's Defense Minister Hopes To Use 3,000-Year-Old DNA To Clone Ancient Scythian Warriors