The search for alien life usually focuses on planets around other stars. But a lesser-known possibility is that life has sprung up on planets that somehow were ejected from their original solar systems and became free-floating ...
Astronomy
Mar 31, 2011
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The gaps and stringy fibers in these space rocks sure look like bacteria, and a NASA researcher has caused a stir with claims that they're fossils of alien life. But as NASA found 15 years ago, looks can be deceiving.
Space Exploration
Mar 7, 2011
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A NASA scientist's claim that he found tiny fossils of alien life in the remnants of a meteorite has stirred both excitement and skepticism, and is being closely reviewed by 100 experts.
Space Exploration
Mar 6, 2011
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An orbiting NASA telescope is finding whole new worlds of possibilities in the search for alien life, including more than 50 potential planets that appear to be in the habitable zone.
Astronomy
Feb 2, 2011
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(AP) -- Lately, a handful of new discoveries make it seem more likely that we are not alone - that there is life somewhere else in the universe.
Space Exploration
Dec 8, 2010
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The US space agency has created a buzz with its announcement of a press conference Thursday to discuss a scientific finding that relates to the hunt for life beyond the planet Earth.
Space Exploration
Dec 1, 2010
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Gregory Benford, his brother James and his nephew Dominic decided to combine their knowledge of astrophysics, space, microwaves and economics to look at the search for extraterrestrial life from a money perspective. They ...
Space Exploration
Oct 15, 2010
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In the 1997 movie "Contact" (based on the novel by Carl Sagan), actress Jodie Foster plays an astrophysicist devoted to SETI -- the Search for Extra-Terrestrial Intelligence. Despite doubting colleagues, she vigilantly monitors ...
Astronomy
Sep 27, 2010
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When packing for a manned mission to Mars or the Moon, the best thing to bring may not be food or fuel, but specially designed organisms that can create those things for you.
Space Exploration
Sep 23, 2010
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Before they can be sent out to explore planets or moons, rovers first need to be tested in the field. While there is no perfect analog for Jupiter’s icy moon Europa, there are various spots on Earth and elsewhere that are ...
Earth Sciences
Aug 19, 2010
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