NASA postponed the launch of the space shuttle Endeavour early Wednesday because of a liquid hydrogen leak.
NASA has rescheduled the launch of space shuttle Endeavour for 5:40 a.m. ET Wednesday, pushing back the planned launch of a separate lunar mission.
A gaseous hydrogen leak on the space shuttle Endeavour forced NASA to cancel Saturday's planned launch, the space agency said.
Lucky 13: NASA, the U.S. space agency, is counting on it.
NASA postponed the landing of space shuttle Atlantis until Sunday because of weather concerns.
Two Italians, a Dane, a German, a Frenchman and a Brit walk into a space station... or will, in 2013, if all goes according to European Space Agency plans.
The space shuttle Atlantis crew on Monday afternoon completed its final spacewalk to upgrade the Hubble Space Telescope, according to NASA.
In a special report for CNN's Eye on Russia week, Moscow Correspondent Matthew Chance travels across the vast country from the northern port of Murmansk in the Arctic to the southern city of Sochi on the Black Sea. Here Chance recalls some highlights from his epic journey.
The space shuttle Atlantis crew completed its first spacewalk to upgrade the Hubble Space Telescope, a daylong act of grueling labor that featured the replacement and installation of key instruments.
The space shuttle Atlantis captured the Hubble Space Telescope with its robotic arm Wednesday, paving the way for astronauts to begin repairing the orbiting observatory.
NASA postponed the launch of the space shuttle Endeavour early Wednesday because of a liquid hydrogen leak.
NASA has rescheduled the launch of space shuttle Endeavour for 5:40 a.m. ET Wednesday, pushing back the planned launch of a separate lunar mission.
A gaseous hydrogen leak on the space shuttle Endeavour forced NASA to cancel Saturday's planned launch, the space agency said.
Lucky 13: NASA, the U.S. space agency, is counting on it.
NASA postponed the landing of space shuttle Atlantis until Sunday because of weather concerns.
Two Italians, a Dane, a German, a Frenchman and a Brit walk into a space station... or will, in 2013, if all goes according to European Space Agency plans.
The space shuttle Atlantis crew on Monday afternoon completed its final spacewalk to upgrade the Hubble Space Telescope, according to NASA.
In a special report for CNN's Eye on Russia week, Moscow Correspondent Matthew Chance travels across the vast country from the northern port of Murmansk in the Arctic to the southern city of Sochi on the Black Sea. Here Chance recalls some highlights from his epic journey.
The space shuttle Atlantis crew completed its first spacewalk to upgrade the Hubble Space Telescope, a daylong act of grueling labor that featured the replacement and installation of key instruments.
The space shuttle Atlantis captured the Hubble Space Telescope with its robotic arm Wednesday, paving the way for astronauts to begin repairing the orbiting observatory.
It's not quite the achievement of a lunar landing, but astronaut Mike Massimino made Twitter history with a 139-character post to the micro-blogging site -- the first person to do so from space.
With space shuttle Atlantis on its way to upgrade the Hubble Space Telescope, that leaves one shuttle, Endeavour, at the ready on the other launch pad here.
The space shuttle Atlantis blasted off successfully Monday afternoon on NASA's fifth and final repair visit to the Hubble Space Telescope.
Final preparations are under way for Monday's scheduled launch of the space shuttle Atlantis from Kennedy Space Center in Florida in a repair mission for the Hubble Space Telescope.
The U.S. space agency might try to launch space shuttle Atlantis on May 11, a day earlier than scheduled, administrators announced Thursday in Houston.
The Soyuz spacecraft landed back in Kazakhstan early Wednesday after a six-month trip to the International Space Station -- carrying a Russian, an American and a space tourist.
The space shuttle Discovery landed safely at Kennedy Space Center on Saturday, completing a 13-day mission that included expanding the number of astronauts who can live aboard the International Space Station.
A pair of astronauts from the space shuttle Discovery safely completed a six-hour spacewalk outside the International Space Station on Thursday, installing a set of solar panels that will help the station handle twice as many crew members.
A bat that apparently had trouble flying instead tried to hitch a ride on the space shuttle Discovery, NASA officials said.
The space shuttle Discovery safely docked at the international space station on Tuesday, a welcome smooth maneuver during a mission that was delayed by a gas leak and threatened by hurtling chunks of space junk.
NASA won't have to maneuver the international space station to dodge a piece of debris from a Soviet-era satellite spinning around Earth, the space agency announced Monday.
Are your kids ready to go to Mars?
The space shuttle Discovery lifted off Sunday evening on a mission to the international space station, where Discovery will deliver supplies needed to expand the station's crew to six people.
A piece of debris zipping by at astronomical speed forced the crew of the international space station to take shelter in its escape capsule Thursday, a rare close call for the orbiting platform, NASA said.
The crew of the international space station had a close call with a spent satellite engine in Earth orbit Thursday, forcing the crew to take shelter aboard its return capsule before the object passed harmlessly, NASA said.
NASA orbiter Discovery's launch won't take place until Sunday at the earliest, mission managers said Wednesday after postponing a launch that had been scheduled for Wednesday night.
The launch of space shuttle Discovery scheduled for Wednesday has been scrubbed.
After weeks of delay, the space shuttle Discovery is finally ready for a Wednesday evening liftoff and a two-week mission to the international space station.
After several delays, NASA said Friday that space shuttle Discovery is scheduled for launch in five days.
Launch of the space shuttle Discovery has been delayed at least a week, NASA has announced.
If Dr. Robert Zubrin could take a trip to Mars, he would be sure to pack a bread maker in his suitcase. Not just because bread is a pretty reliable expeditionary food, but because the act of cooking, according to Zubrin, seems to help people get along with each other, especially when they are in slightly dire, less than luxurious and more than stressful circumstances.
A NASA report on the last minutes of Space Shuttle Columbia cited problems with the crew's helmets, spacesuits and restraints, which resulted in "lethal trauma" to the seven astronauts aboard.
If your organization has the right stuff, it could display one of the U.S. shuttles that NASA plans to retire from service in 2010.
Space shuttle Endeavour landed safely Sunday afternoon at California's Edwards Air Force Base after NASA waved off two opportunities for a Florida landing because of poor weather.
Astronauts from the shuttle Endeavour completed their third spacewalk Saturday after nearly seven hours working on a joint that helps generate power for the international space station.
Things didn't go quite according to plan for astronaut Heide Stefanyshyn-Piper during her spacewalk outside the International Space Station on Tuesday.
Being in space is like being Superman every day, says Clay Anderson, a NASA astronaut from Omaha, Nebraska. At the international space station, where he spent five months last year, he flew to breakfast, work and the bathroom.
The international space station's three crew members Sunday welcomed aboard space shuttle Endeavour's seven astronauts, who arrived to help install more living areas and upgrade amenities.
NASA said Saturday that the day-old mission of space shuttle Endeavour, which is carrying seven astronauts to the international space station, is going smoothly despite problems with a lost thermal blanket and a malfunctioning antenna.
Riding a brilliant tower of flame into the night sky, the space shuttle Endeavour left Earth on Friday, carrying seven astronauts on a 15-day mission to the international space station.
Space tourist Richard Garriott's orbital vacation ended Friday as a Soyuz capsule carrying him and two cosmonauts landed safely in north-central Kazakhstan.
A Russian Soyuz craft carrying an American computer game designer and two crewmates docked with the international space station Tuesday
Space tourist Richard Garriott has arrived at the International Space Station for a 10-day stay for which he paid the Russian government an estimated $30 million.
You can almost picture it now: Paris Hilton swallowed up by a tight-fitting futuristic designer space suit -- one hand waving at the on-flight camera, the other clasping a Dior "space traveler" handbag.
Three Chinese astronauts returned to Earth Sunday, completing a three-day mission that included China's first-ever spacewalk.
A Chinese astronaut has completed his country's first-ever spacewalk as part of an ambitious program that is starting to rival the United States and Russia in its rapid expansion.
China on Thursday successfully launched a three-man crew into space where one of them will make the country's first spacewalk, the country's most challenging space mission since first launching a person into space in 2003.
The sixth private citizen to go into orbit talks to TIME about the space race, Stephen Colbert and being a second-generation astronaut
Forty three years after the Soviet Union pulled it off, China gets ready to send its own man on a spacewalk -- and show the world it can do more than throw a good party
"The moon's been there for about four billion years and it's moving further and further away from the earth. And it's been a destination or quizzical thing for humans for thousands of years, centuries; it's been something that you dream about." -- Astronaut Buzz Aldrin on "The Spirit of Space."
China this week launches its most ambitious space mission yet, a sign of rising confidence as Beijing cements its status as a space power and potential future competitor to the United States
Experts are growing increasingly concerned that the United States will have to rely entirely upon Russia to take astronauts to and from the international space station for at least five years.
Astronauts opened up Japan's new billion-dollar space station lab, then got ready for another spacewalk, this time to spruce up the outside of the huge addition
The international space station's toilet trouble appeared to be taken care of Wednesday after a Russian cosmonaut replaced a malfunctioning pump
It may have taken the "right stuff" -- a macho blend of youthful bravado and reckless adrenaline -- to get the first people into space, but if you want to be an astronaut today, be warned, it's no longer a young man's game.
NASA astronaut Peggy Whitson, along with two cosmonauts, rode in the Russian Soyuz spacecraft that made a gut-wrenching, off-target landing last month.
Russian space officials say the crew of the Soyuz space ship is resting after a rough ride back to Earth.
More than 8,000 NASA contractor jobs in the nation's manned space program could be eliminated after the space shuttle program is shut down in 2010, the agency said Tuesday
Use this explainer to help students understand the history of the space shuttle program, a topic relevant to current news.
NASA engineers are assessing two small areas on the space shuttle Atlantis that may have received some damage during Thursday's launch and ascent, officials said Saturday.
There's been only one incident of a NASA crew member being impaired by drugs or alcohol close to a launch, but never on a launch day, according to a new survey of active-duty astronauts and flight surgeons.
Here we are, nearly eight years into the 21st century, and the most spectacular manned mission NASA can pull off is a trip to the International Space Station, a mere 210 miles above the Earth.
In the aftermath of Tuesday's tear of a space station solar array during deployment, NASA has recast its spacewalk plans for the remainder of Discovery's stay at the international space station.
(First published October 5, 2007)
Three weeks after returning to Earth, teacher-astronaut Barbara Morgan cheerfully carried out her first space education assignment Monday, sharing the magic of flying in orbit with children at Walt Disney World.
Can everyone be an astronomer? It certainly seems that way, especially with some of the latest tools at our fingertips, like Google Sky, which allows Internet users to navigate through a digitized map of space. But some say virtual astronomy is not just for amateurs and should also be the way forward for professional space exploration. A future of virtual astronauts, too.
Only one person on the planet has covered every manned launch out of Cape Canaveral and now, on the eve of the 50th anniversary of spaceflight, he's written a book about it.
After finding no evidence of astronauts drinking before launching into space, NASA said Wednesday it is considering limited alcohol testing of its employees, including astronauts
A NASA review released Wednesday found no evidence that astronauts flew aircraft or spacecraft while under the influence of alcohol.
As a female voice coos, "Welcome to space," six passengers in skintight spacesuits unbuckle their seatbelts and somersault in zero gravity, occasionally peeking back at Earth through the private spaceship's large portholes.
Space shuttle Endeavour undocked from the international space station a day early Sunday, as NASA kept a wary eye on Hurricane Dean.
The two pilots who will guide shuttle Endeavour back to Earth next week said Friday they are "absolutely 100 percent" behind NASA's decision to skip repairs to the deep gouge on their spaceship's belly.
The space shuttle Endeavour began its return to Earth Tuesday morning. Commander Scott Kelly and pilot Charles Hobaugh fired Endeavour's engines at 11:25 a.m. ET to begin the descent to Earth.
Their mission cut short by Hurricane Dean, astronauts aboard the shuttle Endeavour wrapped up their work in orbit Monday and prepared to come home.
NASA on Saturday ordered space shuttle Endeavour back to Earth a day early out of fear that Hurricane Dean might disrupt flight operations.
The ghosts of Challenger and Columbia notwithstanding, NASA's top mission manager decides the gouged shuttle Endeavour can withstand re-entry without repair
Endeavour's astronauts ran through never-before-attempted repair methods Thursday in case they had to go out and patch a deep gouge in the space shuttle's belly
Repairing the gouged shuttle is going to take more than technology: it must reflect a transformed bureaucracy
Two days after liftoff, a gouge is discovered on the underside of the space shuttle. Whether or not it needs fixing, it's already re-ignited safety concerns
Viewpoint: More than 20 years after the Christa McAuliffe tragedy, educator Barbara Morgan is on her way to the Space Station. But it's NASA that still hasn't learned its lesson
After Endeavour launched into the clear blue sky and reached orbit with teacher-astronaut Barbara Morgan aboard, Mission Control announced that class was in session.
Space shuttle Endeavour lifted off into the blue skies above Florida on Wednesday, its seven-member crew headed for the international space station to perform assembly work, repairs and deliver supplies.
Astronaut Scott Kelly is never one to mince words, and there is no doubt he is not very happy about the rumors that NASA astronauts have mixed alcohol and rocket fuel, so to speak.
NASA said Friday it was going to take immediate action after a report raised safety questions about astronauts drinking before flying missions.
A body-hugging new spacesuit may give astronauts more agility in space. Plus, it makes a kicky fashion statement
Viewpoint: The latest breakdown poses little threat to the astronauts. But it proves again that the International Space Station and the Shuttle are clunkers
Cosmonauts aboard the international space station struggled for a second day Friday to try to reboot failed computers that control the orbiting outpost's orientation
Space shuttle Atlantis blasted off from Kennedy Space Center Friday evening on an 11-day mission to the international space station.
NASA's boss told lawmakers the agency failed to recognize the troubled mental state of NASA astronaut Lisa Nowak, who faces charges of attempted murder and attempted kidnapping.
NASA officials said Wednesday it will review psychological screening assessments of astronauts after the recent arrest of Lisa Nowak, who is charged with attempted first degree murder.
Astronaut Lisa Nowak's career was on the rise at NASA. The naval captain completed her first space shuttle mission in July. Years of hard work and dedication were paying off.
A NASA astronaut was arrested Monday on battery and attempted kidnapping charges after allegedly trying to subdue a romantic rival with pepper spray and abduct her from a parking lot at Orlando International Airport, police said.
During the last space shuttle mission to the international space station, television cameras panned around the Johnson Space Center's Mission Control and landed on the CAPCOM desk -- the relay station between astronauts on the ground and those circling in orbit.
Not even a dreary forecast could keep the space shuttle Discovery from coming home for the holidays. The orbiter touched down at Florida's Kennedy Space Center at 5:32 p.m. ET Friday, completing a 13-day mission that included four spacewalks and installation of a 2-ton addition to the international space station.
Space shuttle Discovery lifted off Saturday evening, beginning a 12-day mission with the first night launch in four years.
NASA's plans for returning people to the moon -- an objective called for by President Bush in 2004 -- includes establishing a permanent outpost that would be used to prepare for a manned trip to Mars.
Space tourism is being packaged as the ultimate trip -- almost as an extension of a normal flight but with incredible views, the experience of weightlessness and supersonic speeds.
The "Comeback Kid" of astronomy has dodged yet another bullet. Come May of 2008, a crew of seven astronauts will strap themselves into the space shuttle Discovery and carry the fire into orbit for a fifth and final repair and refurbishment mission to the Hubble Space Telescope.
The shuttle Discovery will pay the Hubble Space Telescope a final servicing call in 2008, NASA Administrator Michael Griffin announced Tuesday.
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