The public can vote for the top space heroes of all time.
Apollo astronauts Neil Armstrong, Jim Lovell, and Gene Cernan took exception with Obama's plan to cancel NASA's return-to-the-moon program, dubbed Project Constellation.
President Barack Obama will ask Congress to abandon NASA's current plans to return U.S. astronauts to the moon, but extend the space station through 2020
The director of NASA's embattled moon-Mars program says President Barack Obama's human spaceflight commission is making false claims about the advantages of alternatives.
NASA could save billions by dropping its new Ares I rocket and switching to a Delta 4 Heavy, but it would cost billions more, a new report says.
The United States cannot afford to return American astronauts to the moon under the NASA budget currently proposed by the Obama administration, a presidential panel said Wednesday.
NASA believes it may have isolated the source of a hydrogen gas leak that twice prevented launch of shuttle Endeavour.
NASA's Orion spaceship and the astronauts onboard might not survive an explosive launch failure of the agency's proposed Ares I moon rocket, analyses by Air Force safety experts show.
Lawmakers agreed Tuesday on a budget resolution that would eliminate a hard 2010 deadline for the retirement of NASA's shuttle fleet.
Former NASA chief Mike Griffin says the new Ares I rocket is twice as safe as existing expendable boosters.
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