Space debris prompts station crew to shelter aboad Soyuz spacecraft (UPDATED)

The six-member crew of the International Space Station was told to seek shelter in two Russian Soyuz spacecraft early Tuesday because of a predicted close approach by an unknown piece of space debris.
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Progress M-11M cargo craft docks at space station

An unmanned Russian Progress cargo ship glided to a smooth automated docking with the the International Space Station Thursday, two days after launch from the Baikonur Cosmodrome in Kazakhstan. Read More...

External tank inspections proceeding smoothly, fuel valve replaced

With the Atlantis astronauts on hand for a practice countdown Thursday, engineers are making good progress with work to inspect beefed-up ribs in the shuttle's external tank and to replace a leaking main engine fuel valve. Read More...

Progress cargo ship blasts off on station resupply flight

A Russian Progress cargo ship loaded with three tons of supplies and equipment bound for the International Space Station blasted off from the Baikonur Cosmodrome Tuesday. Docking is expected Thursday. Read More...

Mark Kelly announces retirement from NASA

Astronaut Mark Kelly, commander of the shuttle Endeavour's final mission and husband of Arizona Rep. Gabrielle Giffords, gravely wounded in a January assassination attempt, will retire from NASA and the Navy on Oct. 1. Read More...

Atlantis crew flies to Florida for emergency training, practice countdown

The shuttle Atlantis' crew flew to the Kennedy Space Center Monday to review emergency procedures and participate in a dress-rehearsal countdown Thursday, a major milestone on the road to launch July 8. Read More...

Main engine fuel valve replacement no impact to 7/8 launch target

Engineers readying the shuttle Atlantis for launch July 8 plan to replace a leaking main engine fuel valve in parallel with external tank inspections next week. Read More...

Shuttle fueling test underway; engine valve issue

After a delay to assess the impact of overnight thunderstorms, engineers pressed ahead with a fueling test Wednesday to verify the integrity of structural stiffeners in the shuttle Atlantis' external tank. Read More...

X-ray telescope spots massive black holes in early universe

NASA's Chandra X-Ray Observatory satellite has detected super massive black holes in the dusty cores of numerous galaxies that formed within a billion years of the big bang birth of the universe. Read More...

NASA, Argentina launch oceanography satellite

A United Launch Alliance Delta 2 rocket carrying a sophisticated oceanography satellite blasted off Friday on a long-awaited mission to monitor the salinity of Earth's oceans. Read More...

Soyuz TMA-02M docks with space station

Monitoring a weak thruster, commander Sergei Volkov guided a Russian Soyuz spacecraft to a smooth automated docking with the International Space Station at 5:18 p.m. EDT (GMT-4) Thursday. Read More...

Voyager spacecraft shed new light on solar system boundary

NASA's twin Voyager spacecraft, approaching the edge of the solar system, have detected signs of what may be gigantic magnetic bubbles at the interface between the sun's influence and interstellar space. Read More...

NASA releases photos of shuttle Endeavour and space station

NASA has released dramatic photographs of the shuttle Endeavour docked at the International Space Station that were shot during the departure of the Russian Soyuz TMA-20 spacecraft May 23. Read More...

Soyuz TMA-02M blasts off from the Baikonur Cosmodrome

A Russian Soyuz spacecraft carrying a veteran cosmonaut, a Japanese physician-astronaut and a NASA shuttle veteran blasted off from the Baikonur Cosmodrome Tuesday, bound for the International Space Station. Read More...

Shuttle Endeavour glides to smooth Florida touchdown (UPDATED)

The shuttle Endeavour glided to a ghostly pre-dawn landing Wednesday to close out its 25th and final mission, clearing the way for NASA's last shuttle launch July 8. Read More...