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WASHINGTON -- Space shuttle Atlantis is now in a rough orbital neighborhood -- a place littered with thousands of pieces of space junk zipping around the Earth at nearly 20,000 [...]

WASHINGTON -- Tinkering with Earth's climate to chill runaway global warming -- a radical idea once dismissed out of hand -- is being discussed by the White House as a [...]

WASHINGTON -- Earth to Space Station Colbert: The cosmic joke may be on NASA. Comedian Stephen Colbert, who couldn't get his mock presidential campaign off the ground, is polling better [...]

WASHINGTON -- For decades, astronomers thought that when it came to the major galaxies in Earth's cosmic neighborhood, our Milky Way was a weak sister to the larger Andromeda. Not [...]

WASHINGTON -- When the first of many loud alarms sounded on the space shuttle Columbia, the seven astronauts had about a minute to live, though they didn't know it. The [...]

WASHINGTON -- Get ready for the geek-in-chief. President-elect Barack Obama used to collect comic books, can't part with his BlackBerry, and once flashed the Leonard 'Mr. Spock' Nimoy the Vulcan [...]

WASHINGTON -- Bringing 'Jurassic Park' one step closer to reality, scientists have deciphered much of the genetic code of the woolly mammoth, a feat they say could allow them to [...]

WASHINGTON -- Voting for president and having your ballot be the deciding one cast -- statistically, that is like trying to hit the lottery. The odds for the average person [...]

WASHINGTON -- Voter turnout will be the highest in decades, dwarfing recent presidential elections, experts predict. The only question dividing experts is how huge will it be. Will it be [...]

WASHINGTON -- Earth's first nearly full look at Mercury reveals that the tiny lifeless planet took a far greater role in shaping itself than was thought, with volcanoes spewing 'mysterious [...]

WASHINGTON -- The sun has dialed back its furnace to the lowest levels seen in the space age, new measurements from a space probe show. But don't worry -- it's [...]

Global warming has probably made Hurricane Gustav a bit stronger and wetter, some top scientists said Sunday, but the specific connection between climate change and stronger hurricanes remains an issue [...]

PITTSBURGH The head of a prominent cancer research institute issued an unprecedented warning to his faculty and staff Wednesday: Limit cellphone use because of the possible risk of cancer. The [...]

WASHINGTON Exactly 20 years after warning America about global warming, a top NASA scientist said the situation has gotten so bad that the world's only hope is drastic action. James [...]

WASHINGTON Researchers secretly tracked the locations of 100,000 people outside the United States through their cellphone use and concluded that most people rarely stray more than a few miles from [...]

WASHINGTON Famed astrophysicist Stephen Hawking has been thinking a lot about the cosmic question, 'Are we alone?' The answer is probably not, he says. If there is life elsewhere in [...]

WASHINGTON Edward Lorenz, the father of chaos theory, died at his home in Cambridge, Mass., Wednesday. He was 90. He was a professor at the Massachusetts Institute of Technology when [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- The oppressively hot weather in the Northeast has surprised meteorologists: It's moving backward across America, something that rarely happens. Normally [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- The oppressively hot weather in the Northeast has surprised meteorologists: It's moving backward across America, something that rarely happens. The [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- The jet stream, the river of air high above Earth that generally dictates the weather, usually rushes rapidly from west [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- Scientists say the jet stream, that river of air high above Earth that generally dictates the weather, hasn't been playing [...]

CAPE CANAVERAL, Fla. - Space shuttle Columbia, a 21st century cargo ship carrying a cross-section of America's human treasure and the first Israeli astronaut, disintegrated in flames Saturday over Texas. [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- The nation bid farewell Thursday to Neil Armstrong, the first man to take a giant leap on to the moon. [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- Earth has more than enough wind to power the entire world, at least technically, two new studies find. But the [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- There's a rare 'blue moon' on Friday, a fitting wink to Neil Armstrong by the cosmic calendar. That's the day [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- Critical ice in the Arctic Ocean melted to record low levels this sweltering summer and that can make weather more [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- Scientists have found a few ancient insects frozen in what is Earth's oldest bug trap. Two microscopic mites and much [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- Scientists have found three well preserved ancient insects frozen in amber -- and time -- in what is Earth's oldest [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- Scientists say critical ice in the Arctic Ocean melted to record low levels this overheated summer. The National Snow and [...]

By The Associated Press Byline: LISA CORNWELL, SETH BORENSTEIN CINCINNATI (AP) -- Neil Armstrong made 'one giant leap for mankind' with a small step onto the moon. He commanded the [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- When man first harnessed fire, no one recorded it. When the Wright Brothers showed man could fly, only a handful [...]

By The Associated Press Byline: LISA CORNWELL, SETH BORENSTEIN CINCINNATI (AP) -- Neil Armstrong was a soft-spoken engineer who became a global hero when as a steely-nerved pilot he made [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- When man first harnessed fire, no one recorded it. When the Wright Brothers showed man could fly, only a handful [...]

By The Associated Press Byline: LISA CORNWELL, SETH BORENSTEIN CINCINNATI (AP) -- Neil Armstrong was a soft-spoken engineer who became a global hero when as a steely-nerved pilot he made [...]

By The Associated Press Byline: LISA CORNWELL, SETH BORENSTEIN CINCINNATI (AP) -- Neil Armstrong was a quiet self-described nerdy engineer who became a global hero when as a steely-nerved pilot [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- After driving all around Mars with four rovers, NASA wants to look deep into the guts of the red planet. [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- After driving all around Mars with four rovers, NASA wants to look deep into the guts of the red planet. [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- Scientists have found a cosmic supermom. It's a galaxy that gives births to more stars in a day than ours [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- Scientists have found a cosmic supermom. It's a galaxy that gives births to more stars in a day than ours [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- Earlier this week NASA safely landed a robotic rover on Mars about 150 million miles away. But on Thursday here [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- Earlier this week NASA safely landed a robotic rover on Mars about 150 million miles away. But on Thursday here [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- Our family tree may have sprouted some long-lost branches going back nearly 2 million years. A famous paleontology family has [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- This probably comes as no surprise: Federal scientists say July was the hottest month ever recorded in the Lower 48 [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- This probably comes as no surprise: Federal scientists say July was the hottest month ever recorded in the contiguous United [...]

By The Associated Press Byline: ALICIA CHANG, SETH BORENSTEIN PASADENA, Calif. (AP) -- NASA's Curiosity rover has transmitted a low-resolution video showing the last 2 1/2 minutes of its white-knuckle [...]

By The Associated Press Byline: ALICIA CHANG, SETH BORENSTEIN PASADENA, Calif. (AP) -- NASA's Curiosity rover on Monday transmitted a low-resolution video showing the last 2 1/2 minutes of its [...]

By The Associated Press Byline: ALICIA CHANG, SETH BORENSTEIN PASADENA, Calif. (AP) -- NASA celebrated the precision landing of a rover on Mars and marveled over the mission's first photographs [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- The relentless, weather-gone-crazy type of heat that has blistered the United States and other parts of the world in recent [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- The relentless, weather-gone-crazy type of heat that has blistered the United States and other parts of the world in recent [...]

By The Associated Press Byline: SETH BORENSTEIN WASHINGTON (AP) -- NASA picked three aerospace companies Friday to build small rocketships to take astronauts to the International Space Station. This is [...]