NASA's Cassini spacecraft has beamed back spectacular pictures of Saturn, its rings and distant Earth, a "pale blue dot" nearly a billion miles away, as the robot passed behind the ringed planet last Friday.
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A heavyweight Navy communications satellites was boosted into space by a United Launch Alliance Atlas 5 rocket Friday, the second in a series of five relay stations in a globe-spanning $5 billion network.
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NASA's Cassini spacecraft is poised to snap a dramatic portrait of Earth Friday, capturing a mosaic showing humanity's home in space as a pinprick of light just to one side of Saturn's spectacular rings.
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The dramatic failure of a heavy-lift Russian Proton rocket seconds after launch July 2 may have been caused by incorrectly installed guidance sensors in the booster's first stage, Russian officials say. Read More...

A dangerous leak resulting in a large blob of water sloshing inside Italian astronaut Luca Parmitano's space helmet forced NASA to abort a planned six-and-a-half-hour spacewalk Tuesday.
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Astronauts Christopher Cassidy and Luca Parmitano cut short a planned 6.5-hour spacewalk Tuesday because of an unusual, and potentially dangerous buildup of water in Parmitano's helmet. Read More...

A team of scientists studying possible mission scenarios for a planned 2020 Mars mission modeled on NASA's Curiosity rover has recommended a spacecraft designed to look for traces of past life. Read More...

Astronauts Christopher Cassidy and Luca Parmitano staged a successful six-hour seven-minute spacewalk Tuesday, the first of two planned over seven days to work through a backlog of space station tasks. Read More...

The Russian prime minister ordered an investigation into the failure of a Proton rocket that veered wildly out of control seconds after liftoff and crashed back to Earth, destroying three navigation satellites. Read More...