Ancient Star Dust May Point to Human Origins-Study
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Star dust found deep beneath the Pacific Ocean has led German scientists to speculate that a supernova explosion 3 million years ago might possibly have helped bring about human evolution.
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It may take much longer than scientists have thought for violent turbulence to turn grains of space dust into new planets. A NASA (news - web sites) telescope
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Ancient carbon-rich globules could offer a glimpse into the solar system's planet-building past and may provide clues to how life on Earth first arose.
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Astronomers have found ancient galaxies that appear to be the building blocks of our own Milky Way.
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The earliest stars may hold clues to the nature of the Universe's mysterious dark matter, simulations suggest.
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Astronomers using a giant telescope say  they have found glimpses of the most distant -- and oldest --  galaxies ever seen, a finding that will help provide clues to  the origins of the universe.
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MODERN human beings may have wiped out two species of our closest relatives 25,000 years ago, possibly deliberately. The new research, by scientists at the University of Utah, raises the possibility that we
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Cold, dusty discs of debris have been clearly detected around stars in other planet-harbouring solar systems for the first time by NASA&#39;s Spitzer Space Telescope.
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Mammoth and bison from the last ice age were blasted with material from space, new evidence suggests.
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US scientists working with images from the Hubble Space Telescope have identified what may turn out to be some of the earliest star-forming galaxies.
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[World News]: Washington, Nov 4 : An international team of astronomers has suceeded solving the 100 yearl old mystery about the origin of the cosmic rays by producing the first ever image of an astronomical object using high energy gamma rays.
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Astronomers have found what they believe to be several of the earliest star-forming galaxies, in a detailed analysis of Hubble Space Telescope images released earlier this year.
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A circumstellar disk of dust and gas, the raw material of a solar system, has been found circling the star TW Hydrae.
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Scientists in California have uncovered the best evidence yet that cosmic dust in the early universe mostly came from the explosions of giant stars.
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A forest fire has led to a chance discovery of debris from the impact of a meteorite 1.85 billion years ago, more than 450 miles away at Sudbury, Ontario.
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Astronomers say they have found some of the earliest galaxies, which will help to piece together the history of the early universe. Some suspect galaxies took longer to form than previously thought. By John Gartner.
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The first ever analyses of comet dust are in, and they stand to revolutionize our understanding of the early solar system, scientists say.