All Science
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Water ice found on scorching-hot Mercury
Temperatures on Mercury can reach 800 degrees Fahrenheit, but around the north pole, in areas permanently shielded from the sun's heat, NASA's Messenger spacecraft found a mix of frozen water and possible organic materials. 11/29/2012 03:31 pm
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Are polar ice sheets shrinking? Report offers definitive answer at last.
Numerous studies in recent years have offered different – and sometimes conflicting – views about ice sheets in Greenland and Antarctica. But a new report offers unprecedented scope. 11/29/2012 03:18 pm
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'Bigfoot' is part human, claims study based on purported Sasquatch DNA
Because the Texas veterinarian has released no information at all about her findings (nor have they been examined by outside experts), it's impossible to evaluate the validity of her conclusions. 11/27/2012 04:24 pm
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Ancient Antarctic microbes isolated for millennia may provide clues to alien life
The findings shed light on the extreme limits at which life can live not just on Earth, but possibly alien worlds, scientists added. 11/27/2012 03:12 pm
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Moon rocks discovered in Minnesota, but more rocks missing
The Minnesota National Guard said it found some missing Apollo 11 moon rocks. The discovery in Minnesota now leaves 11 states, including Massachusetts, Texas and Wisconsin, still missing their Apollo 11 moon rocks. 11/27/2012 09:41 am
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Scott Kelley: Longest space station sojourn will be test for Mars mission
NASA astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko will spend an entire year aboard the International Space Station. The extended mission will help provide information about far-flung trips to asteroids and Mars. 11/27/2012 09:20 am
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Galapagos Tortoise 'Lonesome George' may have had relatives after all
Genetic samples showed that some tortoises recently DNA tested were hybrids that had a parent like Lonesome George from the subspecies Chelonoidis abingdoni. 11/26/2012 03:28 pm
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SpaceX founder Musk eyes 'self-sustaining' Mars civilization
In Musk's vision, the ambitious Mars settlement program would start with a pioneering group of fewer than 10 people, who would journey to the Red Planet aboard a huge reusable rocket powered by liquid oxygen and methane. 11/26/2012 01:04 pm
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US-Russian crew chosen for yearlong space voyage
American astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko will launch on the one-year space station flight in spring 2015 and return to Earth in spring 2016. 11/26/2012 12:55 pm
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Climate change talks: What are the goals in Qatar? (+video)
UN talks for a new pact to curb greenhouse emissions and slow climate change are underway in Qatar. Negotiators hope to extend the Kyoto Protocol. The concentration of greenhouse gases such as carbon dioxide has jumped 20 percent since 2000, according to a U.N. report released last week 11/26/2012 08:43 am
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Why greenhouse gases hit record high in 2011
Carbon dioxide, the primary greenhouse gas emitted by human activities, reached 390.9 parts per million last year, or 40 percent above the pre-industrial level, the World Meteorological Organization said. It cited fossil fuel as the primary source. 11/20/2012 12:35 pm
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Violent dolphin deaths: $5,000 reward to find their attackers (+video)
Violent dolphin deaths are on the rise in the Gulf of Mexico. The violent attacks on dolphins include bullet wounds and hacked off fins. Five dolphin deaths are from gunshot wounds. 11/20/2012 11:25 am
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New smell discovered: It's 'olfactory white' as in white noise
New smell discovered: Scientists have created a 'white smell,' a 40-compound blend of scents in the middle of the pleasant-edible scale. The new smell was discovered by scientists in Israel. 11/20/2012 08:45 am
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NASA video captures massive solar eruption
NASA spacecraft captured HD video of a giant plasma eruption on the surface of the Sun Friday. This plasma eruption is not headed toward Earth, so isn't expected to cause any communication problems. The sun is currently in the middle of an active phase of its 11-year solar weather cycle. 11/19/2012 12:39 pm
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Leonid meteor shower late tonight: Stay up, bundle up, look up
The Leonid meteor shower peaks tonight in the first of what may be two viewing climaxes this year. The sky at 3 a.m. Eastern time will be moonless, as long as you can see it. Face east. 11/16/2012 06:08 pm
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Leonid meteor shower: When and where to watch
Leonid meteor shower: The meteor shower peak will come tonight (3 a.m. E.T. Saturday). The Leonid meteor shower is a product of the Earth passing through the tail of the Tempel-Tuttle comet. 11/16/2012 12:27 pm
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Gone spear hunting: Ancestors used stone spear tips 500,000 years ago
Stone spear tips from South Africa date to 500,000 years ago, says new research. Human ancestors were hunting with stone spears about 200,000 years earlier than scientists previously thought. 11/16/2012 12:05 pm
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NASA: Astronauts could survive Mars radiation
Radiation on the surface of the Red Planet is roughly similar to that experienced by astronauts on the international space station, report NASA scientists. The findings help researchers understand the planet's capacity for supporting life and will assist NASA in preparations for future manned flights to the planet. 11/15/2012 11:27 pm
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Curiosity's unsung skill: scouting Mars for a human mission (+video)
NASA's Curiosity rover is on Mars to look for signs that Gale Crater was once suitable for microbial life. But Curiosity's weather instruments are providing insight into the environment astronauts might face on Mars. 11/15/2012 07:45 pm
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Gigantic orphan planet: Homeless world hurtles through space without star (+video)
The free-floating object, called CFBDSIR2149, is likely a gas giant planet four to seven times more massive than Jupiter. 11/15/2012 10:56 am
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