Shuttle repairs complete, NASA aims for Wednesday launch (UPDATED)

Engineers completed repairs and retest of suspect fittings in one of the shuttle Discovery's aft rocket pods Sunday, clearing the way for the start of the ship's countdown to launch Wednesday (UPDATED at 2:15 PM EDT with start of countdown). Read More...

Cosmonaut takes manual control, docks unmanned cargo ship

Cosmonaut Alexander Kaleri took over manual control to guide an unmanned Progress supply ship to a smooth docking with the International Space Station Saturday after an automated approach was called off. Read More...

Shuttle launch delayed to Wednesday (UPDATED)

Engineers have replaced suspect fittings in the shuttle Discovery's right-side orbital maneuvering system rocket pod, but testing and other work have delayed launch another day to Wednesday (UPDATED at 11:10 a.m. EDT with news briefing). Read More...

Shuttle managers optimistic about leak repair, Tuesday launch

NASA managers are optimistic leaky quick-disconnect fittings in the shuttle Discovery's right-side maneuvering system rocket pod can be repaired in time for a day-late launching Tuesday. Read More...

Engineers troubleshoot helium, nitrogen leaks in shuttle rocket pod (UPDATED)

Engineers are troubleshooting two leaks at fittings in the helium and nitrogen systems used by the shuttle Discovery's right-side orbital maneuvering system rocket pod (UPDATED at 9:20 a.m. EDT with countdown/launch delay). Read More...

Discovery astronauts fly to Florida spaceport to prepare for launch

The shuttle Discovery's crew flew to the Kennedy Space Center Thursday to prepare for launch Monday on a mission to resupply the International Space Station. Read More...

Russian Progress supply ship blasts off on space station mission (UPDATED)

An unmanned Russian Progress supply ship blasted off from the Baikonur Cosmodrome in Kazakhstan Wednesday and set off after the International Space Station. Docking is expected Saturday. Read More...

Space station debris avoidance maneuver carried out

The International Space Station's orbit was adjusted slightly early Tuesday to preclude a close encounter with an out-of-commission NASA satellite. Read More...

Repairs complete, shuttle Discovery cleared for Nov. 1 launch (UPDATED)

After reviewing weekend work to fix a small fuel leak, NASA managers attending a flight readiness review Monday cleared the shuttle Discovery for launch Nov. 1 on a space station resupply mission (UPDATED at 5:00 PM EDT with news conference; quotes and details). Read More...

Fuel line seals replaced in shuttle Discovery (UPDATED)

Engineers replaced two seals in a suspect fuel-line flange aboard the shuttle Discovery Saturday in a bid to resolve an on-again, off-gain leak and keep the ship on track for launch Nov. 1 on a space station resupply mission. Read More...

NASA managers optimistic seal replacement will eliminate shuttle fuel leak

Engineers drain propellant from the shuttle Discovery's maneuvering rocket system before beginning weekend work to replace seals in a suspect flange (UPDATED at 7:30 AM 10/22/10 with fuel offload). Read More...

Engineers troubleshoot propellant leak aboard shuttle Discovery (UPDATED)

Engineers are troubleshooting a small fuel leak in the shuttle Discovery's orbital maneuvering system plumbing. NASA managers are hopeful the problem can be resolved in time for a planned Nov. 1 launch (UPDATED at 5:10 PM EDT with decision to replace seals). Read More...

Discovery crew reviews emergency procedures, straps in for practice countdown

The shuttle Discovery's crew strapped in for a dress-rehearsal countdown Friday that sets the stage for launch Nov. 1 on a space station assembly mission. It will be Discovery's 39th and final flight. Read More...

President Obama signs NASA budget authorization

President Obama signed NASA's budget authorization Monday, setting the stage for debate on funding details during a 'tough' appropriations process. Read More...

SpaceShipTwo makes first gliding free flight (UPDATED)

In a long-awaited milestone, Virgin Galactic's commercial sub-orbital rocketplane, the VSS Enterprise, completed its first piloted glide-to-landing test flight Sunday in California (Updated at 6:30 PM EDT with Branson interview). Read More...

Soyuz TMA-01M docks with International Space Station (UPDATED)

A Soyuz spacecraft carrying two Russian cosmonauts and a veteran shuttle commander docked with the International Space Station Saturday evening after a two-day orbital chase, boosting the lab's crew back to six. Read More...

Realtime coverage of Soyuz TMA-01M launch

Realtime coverage of the Soyuz TMA-01M launch from the Baikonur Cosmodrome in Kazakhstan (Updated at 7:35 p.m. EDT with Soyuz launch). Read More...

Soyuz TMA-01M spacecraft moved to launch pad (UPDATED)

The Soyuz TMA-01M spacecraft was moved to the launch pad for for liftoff Thursday evening (U.S. time) from the Baikonur Cosmodrome in Kazakhstan (posting countdown and launch-to-docking timeline). Read More...

Former shuttle program manager says 2011 budget proposal sets NASA up for failure

Former shuttle Program Manager Wayne Hale says the proposed NASA budget approved by Congress Wednesday falls short and will not pay for the programs the agency is being asked to deliver. Read More...

STS-134, ATV-2 launch dates modified

The European Space Agency has rescheduled the launch of an unmanned space station cargo ship for Feb. 15, setting up a docking Feb. 26. NASA, in turn, has delayed launch of the shuttle Endeavour by one day to Feb. 27. Read More...