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Some parts are easier to come by than others. Take the three original lunar rovers. They're still on the moon — which posed a problem for NASA scientists trying to re-create the tires for a new lunar mission. The instructions had been lost. But it turns out that a spare was closer to home. ()
Following the 2003 Columbia shuttle disaster, the study examined how to prevent others. ()
The 1968 mission altered the way earthlings saw themselves and their world. ()
December 30, 2008 · NASA released a study Tuesday about the Columbia space shuttle accident that will help the space agency design better systems to protect astronauts. None of the lessons learned could have saved the crew in February 2003, however. ()
December 16, 2008 · Studying the growth of galaxy clusters has led researchers to new clues about the possible existence of dark energy. Though some say it could be that scientists just don't fully understand gravity yet. ()
December 6, 2008 · The man credited with coining the phrase "sci-fi" died this week at the age of 92. Host Andrea Seabrook has this remembrance of Forrest J. Ackerman. ()
November 27, 2008 · Thanksgiving may be a federal holiday, but it doesn't mean everyone gets to stay home. John McCullough, chief of the Flight Director Office at NASA's Johnson Space Center in Houston speaks with host Alex Cohen from mission control. ()
November 20, 2008 · NASA's aging shuttle fleet is expected to be retired before the agency has a new space transportation system in place. The GAO has identified this spaceship gap as one of 13 urgent issues facing the new administration. ()
November 20, 2008 · The International Space Station turns 10 this week, and NASA is celebrating with an upgrade of the orbiter's bedrooms and bathrooms. ()
November 14, 2008 · Scientists have taken images of multiple planets orbiting a star other than our own sun. One extrasolar system reportedly has three planets; another star, 25 light-years away from Earth, has one planet in its orbit. ()
November 14, 2008 · A new toilet and fridge will soon be orbiting the Earth. Astronauts on board space shuttle Endeavour will take a load of new equipment up to the International Space Station, to get everything ready so that next year the station can double its crew from three to six. The space shuttle is scheduled to lift off Friday night. ()
November 11, 2008 · NASA has lost contact with the Mars Phoenix probe, and officials say the mission is over. Phoenix landed in the northern polar region of Mars last May. Mission managers knew this day was coming. It's getting to be winter at the Phoenix landing site, and the few hours of daylight aren't enough for the lander's solar panels to recharge the batteries. ()
October 27, 2008 · It's hard for the average person to understand one of Albert Einstein's great insights: that time is not the same for everybody everywhere. Theoretical physicist Brian Greene explains and explores in Icarus at the Edge of Time. ()
October 22, 2008 · Indians are divided over their nation's first space mission, an unmanned lunar probe launched early Wednesday. Critics say the moon mission is a waste of money in a country where so many are impoverished. Others see space as a path to competing in a high-tech world. ()
October 9, 2008 · Richard Garriott, a famous video game developer, is paying millions of dollars for a ride on a Russian rocket to the International Space Station. He has wanted to go to space since he was a kid. His father and all of his neighbors were NASA astronauts. It's the first time the child of an American astronaut will blast off into space. ()
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