Possible mastodon carving found on rock
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They aren't certain, but underwater archaeologists say they may have discovered a boulder with a prehistoric carving in Lake Michigan's Grand Traverse Bay.
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The rover Opportunity will soon go over the edge into Victoria Crater in search of new hints about Marsâs ancient, and possibly wet, past.
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There are intriguing new clues in the mystery of how the woolly mammoth met its demise in North America more than 10,000 years ago.
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A fabled fossil goes on view for the first time in decades  -  and ignites a controversy
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The fossilized neck bones of a 230-million-year-old sea creature have features suggesting that the animal&#39;s snakelike throat could flare open and create suction that would pull in prey.
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No 'dwarven underlords' jokes, please Comments Alien hunters trawling NASA images for evidence of life have posted what appears to be a little green humanoid in a snapshot taken by the Spirit rover on Mars. The image has since been the focus of a great deal of debate, both informed and otherwise, and you lot were full of interesting theories:â¦
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LOS ANGELES - NASA&#39;s Mars rover, Opportunity, has found more signs that rocks on the Red Planet were once submerged in water. Data sent by Opportunity suggest a crater was drenched a second time after drying out, scientists said.
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By Sandy Bauers, The Philadelphia Inquirer  Jun. 21--As soon as he viewed the photo -- those fanglike teeth, like something out of a horror movie -- John Lundberg knew what the mystery creature was.
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A probable active glacier is identified on the surface of Mars for the first time.
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University of New Mexico researcher Barbara Cohen now knows for certain that the rock she found while trolling the barren Antarctica landscape is special.
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SAN FRANCISCO: Pictures of Earth-like clouds were captured by Nasa&#39;s Mars rover on Wednesday. Reports also indicate that there&#39;s a rock that doesn&#39;t look like anything scientists have ever seen.
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PITTSBURGH: A geology student on a field trip stumbled across the fossil of an oversized, salamander-like creature with vicious crocodile-like teeth that lived about 300 million years ago, paleontologists said.
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ith one Mars rover climbing into the hills and the other descending deep into a crater, scientists yesterday reported the discovery of several mysterious rock structures along with yet more signs that Mars was once awash in water.
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NASA's Opportunity Mars rover has come across  an interesting object&nbsp;-- perhaps a meteorite sitting out in the open at Meridiani  Planum. Initial data taken by the robot's Mini-Thermal Emission Spectrometer  (Mini-TES) is suggestive that the odd-looking rock is made of  metal.
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Scientists controlling the Opportunity Mars rover are taking an up-close look at an intriguing pitted rock on Mars, now dubbed "Heat Shield Rock".
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Science & environment: Â· Scientists shed new light on disputed skeleton findÂ· Bone analysis supports distinct species theory
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Volcanologists studying erupted rocks say they have new insights into what might trigger explosive eruptions.