NASA

It's true.  A NASA sponsored study in Houston shows brain scans of astronauts who were in space for more than a month revealed potentially serious abnormalities that could force NASA to delay or even cancel plans for longer deep space missions.

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When the mock Space Shuttle Explorer is moved to Clear Lake from Kennedy Space Center later this year, it will get a new name – and that name will be chosen by Texas children in a statewide contest.

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The largest solar storm in five years has engulfed Earth, but scientists say the planet has lucked out -- so far.  It's the result of one of the largest and most dramatic solar explosions ever seen.

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Forget about that Mayan Doomsday prophecy -- the one that says the world will come an end this December.  Not very many credible people take that one seriously.

But a lot of people with credible credentials say an asteroid will come close to Earth next February, and it should be taken very seriously because it could hit the Earth.

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A camera aboard one of NASA's twin Gravity Recovery And Interior Laboratory (GRAIL) lunar spacecraft has returned its first unique and historic view of the far side of the moon.

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Lots of little kids dream about becoming astronauts — and for some lucky grown-ups, those dreams could become a reality. NASA recently concluded an open call for civilians to apply for a spot in the next astronaut class.

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A single Day of Remembrance ceremony was held today at NASA headquarters in Washington, to observe the three darkest moments of the American space program, including the 26th anniversary of the space shuttle Challenger disaster.

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Some people may think climate change is just a myth, but there’s no arguing with this: NASA scientists say the earth’s surface temperature in 2011 was the ninth warmest since 1880. What’s more, nine of the 10 warmest years in modern recorded history have occurred since the year 2000.

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