Scientist fears samples of soil or rock might harbor hostile ...
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Decades after Hollywood first made the leap between alien life and the threat of contamination, a scientist has issued a similar warning.
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Violations appears to be commonplace, even though professionals agree it is risky.
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A scientific scramble is under way to clarify whether the erosion of the worldâs most vulnerable ice sheets can continue to accelerate.
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The Bush administration is clamping down on scientists at the U.S. Geological Survey, the latest agency subjected to controls on research that might go against official policy.
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Eskimos in the Arctic are worried about changes in the wildlife resulting from climate change and the gradual increase in contaminants.
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sweetshot97 writes &quot;According to the UK site, Times Online; future trips to Mars that will have probes return with samples of the martian surface may contain deadly microbes of course, foreign to our world.
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Warnings could be introduced after analysis confirms high levels of bacteria and viruses.
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GOLDEN, COLORADO -- Any high hopes of sustaining expeditions on the Moon, Mars or beyond will depend on getting &quot;down and dirty&quot; on those worlds -- in the form of using on-the-spot resources.
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By Jim Carney, The Akron Beacon Journal, Ohio  Jan. 31--Nick Garbinsky wants to study rocks and earthquakes when he grows up but maybe he should consider water currents instead.
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A surge of strong earthquakes under Mount St. Helens yesterday has seismologists worried that rock and ash could explode from the volcano&#39;s dome -- leading scientists to take the rare precaution of issuing a warning for a possible eruption.
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By JOHN HEILPRIN  WASHINGTON - The Bush administration is clamping down on scientists at the U.S. Geological Survey, the latest agency subjected to controls on research that might go against official policy.
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Some chemicals should be re-assessed after new evidence shows they accumulate in the food chain, scientists say.
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U.S. scientists issued another warning about nanomaterials, saying some show significant potential for dispersal in aquatic environments.
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Almost by accident, NASA&#39;s Mars rover Opportunity has found a rock that may point to a second water event in the red planet&#39;s past.
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Ice can be loaded with dirt and, by consequence, fragments of ancient DNA that have been preserved by the cold.
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Second scare was result of not mopping up the first properly, says scientists' leaked report
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New research is raising concerns that global warming may be triggering a self-perpetuating climate time bomb trapped in once-frozen permafrost.