A Russian cargo ship hobbled by a jammed navigation antenna glided into its port on the International Space Station early Friday, completing a dramatic automated rendezvous. Read More...

Russian flight controllers are troubleshooting a problem with a navigation antenna on an unmanned Progress supply ship launched Wednesday on a two-day flight to the International Space Station. Read More...

A commercially developed rocket blasted off from the Virginia coast and streaked into space Sunday, chalking up a picture-perfect maiden flight that sets the stage for space station cargo flights later this year. Read More...

For the second time in four days, the maiden flight of a powerful new rocket designed to boost space station cargo ships into orbit was called off Saturday, this time because high upper-level winds, officials said.
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Cosmonauts Pavel Vinogradov and Roman Romanenko staged a six-hour 38-minute spacewalk Friday, accomplishing their primary objectives but dropping an experiment panel overboard. Read More...

Running two days late, Orbital Sciences managers decided Thursday to delay the maiden flight of the company's new Antares rocket one more day to Saturday because of expected bad weather. Read More...

NASA's Kepler space telescope has discovered the smallest worlds yet found orbiting in or near the habitable zones of two distant suns, researchers report.
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The maiden flight of a new rocket designed to loft space station cargo ships into orbit was called off 12 minutes before liftoff Wednesday when an umbilical unexpectedly pulled away from the second stage. Read More...

Orbital Sciences Corp. made final preparations Tuesday for the first flight of its Antares rocket, a commercially-built booster designed to launch cargo ships to the International Space Station. Read More...

The Obama administration is requesting $17.7 billion for NASA in its fiscal 2014 budget proposal, including $105 million to begin laying the groundwork for a proposed mission to robotically capture a small asteroid. Read More...

NASA is working on plans to robotically capture and tow a small asteroid back to Earth's vicinity by the end of the decade, setting the stage for manned visits in the early 2020s, officials say. Read More...

A $2 billion cosmic ray detector attached to the International Space Station has detected positrons that could be the result of dark matter interactions, but scientists say more observations are needed to be sure.
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