Seeking signs of life at the glacier's edge
Microbes living at the edges of Arctic ice sheets could help researchers pinpoint evidence for similar microorganisms that could have evolved on Mars, the Jovian moon Europa, or Saturn's moon Enceladus.
Microbes living at the edges of Arctic ice sheets could help researchers pinpoint evidence for similar microorganisms that could have evolved on Mars, the Jovian moon Europa, or Saturn's moon Enceladus.
Earth Sciences
May 17, 2012
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Sauropod dinosaurs could in principle have produced enough of the greenhouse gas methane to warm the climate many millions of years ago, at a time when the Earth was warm and wet. That's according to calculations reported ...
Earth Sciences
May 7, 2012
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(PhysOrg.com) -- An engine firing on Jan. 11 will be the biggest maneuver that NASA's Mars Science Laboratory spacecraft will perform on its flight between Earth and Mars.
Space Exploration
Jan 9, 2012
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(PhysOrg.com) -- A bacterium whose name was inspired by the Star Wars films has provided new clues into the evolution of our own cells and how they came to possess the vital energy-producing units called mitochondria.
Cell & Microbiology
Dec 9, 2011
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Amphibians are among the most threatened creatures on earth, with some 40 percent of amphibian species threatened or endangered. One of their primary threats is a rapidly spreading disease that attacks the skin cells of amphibians. ...
Plants & Animals
Nov 8, 2011
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(PhysOrg.com) -- Global warming is not a novel phenomenon, and by studying what happened to the planet during a period of global warming about 250 million years ago, one USC Dornsife scientist hopes to discover what could ...
Earth Sciences
Oct 13, 2011
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In a new study, UC Santa Barbara scientists explain how they used DNA to identify microbes present in the Gulf of Mexico following the Deepwater Horizon oil spill, and how they identified the microbes responsible for consuming ...
Environment
Oct 3, 2011
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Earth microbes trying to make it to Mars must survive sterilization in NASA's clean rooms, harsh cosmic rays during months of space travel, and the Red Planet's unforgiving surface environment. But any bacteria that successfully ...
Space Exploration
Sep 6, 2011
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Any sulfurous molecules that astronomers spot on alien worlds might be a way to reveal whether or not those distant planets host life, researchers suggest.
Astronomy
Jun 30, 2011
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(PhysOrg.com) -- A team of scientists led by Montana State University has discovered the "when" of a major event that led to the evolution of complex life on Earth.
Earth Sciences
Jun 21, 2011
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