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A new bill (H.R. 5587) introduced to Congress proposes establishing a government-sponsored commission to study the threat of a major space rock collision with Earth and how prepared we are -- as a country and a planet -- to face such a danger.
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The sun's erratic and sometimes volatile behavior has the potential to cause real problems here on Earth, and protecting our planet from a possible "Solar Katrina" in 2013 will require an international effort, according to scientists who gathered recently for a meeting about the effects of solar activity.
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Dealing with space debris presents a thorny political issue that must be addressed, according to an international foundation's brief to the United Nations. Yet tensions between countries about the best way to deal with space junk could make a solution difficult, experts say.
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The Obama administration on Monday unveiled a space policy that renounces the unilateral stance of the Bush administration and instead emphasizes international cooperation, including the possibility of an arms control treaty that would limit the development of space weapons.
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The mammoth asteroid-hunting Pan-STARRS telescope is impaired by US military restrictions that keep it from scanning sections of the sky where sensitive military spacecraft might be operating.
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A recent United States Air Force scramjet test has hinted at a future where hypersonic vehicles streak through the sky at many times the speed of sound around the world, and perhaps even open up access to space.
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A new nuclear arms control treaty signed by the United States and Russia in April would not limit future U.S. plans for missile defense, key military brass said yesterday
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A senior U.S. defense official last week voiced confidence in a newly defined "reuse" approach to modernizing nuclear warheads that some scientists have called into doubt.
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A researcher has created the first self-replicating mathematical organization, a demonstration of how astounding complexity can arise from simple beginnings and processes, possibly an echo of life's origins.
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NASA scientists warn that national power grids could overheat and air travel severely disrupted while electronic items, navigation devices and major satellites could stop working after the Sun reaches its maximum power in a few years.
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