Astronauts Weigh Acceptable Risk
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In the quest for a cheaper route to space, astronauts competing for the X Prize are willing to take risks. But some wonder if blasting off in an untested rocket ship suspended from a giant balloon is taking things too far. By Dan Brekke.
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As a new crew prepares to lift off Wednesday for the international space station, NASA officials say they are less worried than they were two weeks ago about problems with its oxygen generator
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NASA is wrestling with a potentially dangerous problem in a spacecraft that has not even been built yet.
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CAPE CANAVERAL, Florida  - Two crewmen aboard the International Space Station on Thursday prepared for a spacewalk during which more than 1,600 pounds (726 kg) of obsolete gear will be tossed overboard and left to burn up in Earth's atmosphere.
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Thrill seekers are plunking down six figures to ride rockets that haven't even been built yet, and a new airline called Virgin Galactic promises to be up and soaring in the next three years. Still, the budding space tourism industry faces a myriad of safety concerns - in the sky and on the ground - that must be resolved before any paying passenger takes off...
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The space program may be troubled now, but it did produce some cutting-edge breakthroughs in astronaut comfort. Inside Lisa Nowakâs travel wear.
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The space station's two American astronauts went out on a riskier-than-usual spacewalk Wednesday to fix one of two equipment failures that have crippled their power system and threatened to stall construction.
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The space shuttle should be used to service the Hubble Space Telescope and can do the job  without posing unacceptable risks to the astronauts, NASA's leadership was told Wednesday.-The Washington Post
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ORLANDO, Florida -- Replanting boot prints on the Moon. Hurling expeditionary crews to distant and dusty Mars and other destinations. Executing a 21st century outreach campaign to faraway worlds demands a safe, sustainable, and affordable transport vehicle system.
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LOS ANGELES - Thrill seekers are plunking down six figures to ride rockets that haven't even been built yet, and a new airline called Virgin Galactic promises to be up and soaring in the next three years. Still, the budding space tourism faces a myriad of safety concerns - in the sky and on the ground - that must be resolved before any paying passenger takes off...
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Thrill-seekers looking to blast into space from the U.S. would need to be informed in writing of serious risks &#151; including death &#151; and promise not to sue the government under the first-ever rules for commercial space travel by American companies.
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SpaceShipOne pioneer Burt Rutan gives a glimpse of what fare-paying passengers can expect when they take their ride into space.
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The crew of the International Space Station is not in danger of running out of oxygen, Russian controllers said Friday. Gennady Padalka and Michael Fincke are breathing oxygen from reserves aboard the station, Itar-Tass reported.
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Astronauts and engineers spent Tuesday troubleshooting problems in space and on the ground.
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A key test of a daring yet wobbly spacewalking technique that could be used someday to repair space shuttle heat shields worked well Saturday and got good reviews from two astronauts from the shuttle Discovery, NASA officials said.
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Are bigger bones stronger bones? Not necessarily, according to a recent NASA study that seeks to ensure healthy bones in astronauts.
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A new crew will be sent to the International Space Station next month, even though there are concerns about adequate oxygen and other supplies.