News tagged with geologic history
Climate played big role in Vikings' disappearance from Greenland
The end of the Norse settlements on Greenland likely will remain shrouded in mystery. While there is scant written evidence of the colony's demise in the 14th and early 15th centuries, archaeological remains ...
Other Sciences / Archaeology & Fossils
May 30, 2011 |
4.3 / 5 (7) |
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Messenger orbital data confirm theories, reveal surprises
On March 18, 2011, the MESSENGER spacecraft entered orbit around Mercury to become that planet's first orbiter. The spacecraft's instruments are making a complete reconnaissance of the planet's geochemistry, ...
Space & Earth / Space Exploration
Jun 16, 2011 |
4.9 / 5 (16) |
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Chemistry on Mars reveals cooling rate
(PhysOrg.com) -- French researchers from the University of Toulouse have published a paper in Nature, that describes how they used data from NASA's Mars Odyssey (currently orbiting the planet) to ascertain the am ...
Space & Earth / Space Exploration
Apr 07, 2011 |
4.3 / 5 (8) |
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Darwin's theory of gradual evolution not supported by geological history, scientist concludes
Charles Darwin's theory of gradual evolution is not supported by geological history, New York University Geologist Michael Rampino concludes in an essay in the journal Historical Biology. In fact, Rampino notes that a more ...
Nov 09, 2010 |
4.6 / 5 (38) |
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X-rays of synthesized moon rocks illuminate the interior of the Moon
Contrary to Earth, our Moon has no active volcanoes, and the traces of its past volcanic activity date from billions of years ago. This is surprising, because recent Moonquake data suggest that there is plenty ...
Space & Earth / Space Exploration
Feb 19, 2012 |
4.5 / 5 (2) |
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Geologists discover new class of landform -- on Mars
(PhysOrg.com) -- An odd, previously unseen landform could provide a window into the geological history of Mars, according to new research by University of Washington geologists.
Space & Earth / Space Exploration
Mar 22, 2012 |
4.3 / 5 (12) |
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Mercury's surprising core and landscape curiosities
(PhysOrg.com) -- On March 17, the tiny MESSENGER spacecraft completed its primary mission to orbit and observe the planet Mercury for one Earth-year. The bounty of surprises from the mission has completely ...
Space & Earth / Space Exploration
Mar 21, 2012 |
4.8 / 5 (12) |
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Arctic ice at low point compared to recent geologic history
Less ice covers the Arctic today than at any time in recent geologic history. That's the conclusion of an international group of researchers, who have compiled the first comprehensive history of Arctic ice.
Space & Earth / Earth Sciences
Jun 02, 2010 |
3.6 / 5 (23) |
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Cassini sees the two faces of Titan's Dunes
(PhysOrg.com) -- A new analysis of radar data from NASA's Cassini mission, in partnership with the European Space Agency and the Italian Space Agency, has revealed regional variations among sand dunes on Saturn's ...
Space & Earth / Space Exploration
Jan 24, 2012 |
4.7 / 5 (3) |
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Fossil find fills in picture of ancient marine life
Paleontologists have discovered a rich array of exceptionally preserved fossils of marine animals that lived between 480 million and 472 million years ago, during the early part of a period known as the Ordovician. ...
Other Sciences / Archaeology & Fossils
May 13, 2010 |
4.9 / 5 (9) |
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Ammonites found mini oases at ancient methane seeps
Research led by scientists at the American Museum of Natural History shows that ammonites—an extinct type of shelled mollusk that's closely related to modern-day nautiluses and squids—made homes ...
Space & Earth / Earth Sciences
Apr 16, 2012 |
5 / 5 (3) |
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Polar dinosaur tracks open new trail to past
Paleontologists have discovered a group of more than 20 polar dinosaur tracks on the coast of Victoria, Australia, offering a rare glimpse into animal behavior during the last period of pronounced global warming, about 105 ...
Other Sciences / Archaeology & Fossils
Aug 09, 2011 |
4.6 / 5 (5) |
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Reservoirs of ancient lava shaped Earth
Geological history has periodically featured giant lava eruptions that coat large swaths of land or ocean floor with basaltic lava, which hardens into rock formations called flood basalt. New research from Matthew Jackson ...
Space & Earth / Earth Sciences
Jul 27, 2011 |
4.7 / 5 (6) |
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The Moon puts on camo
A new geologic map of the moon's Schrodinger basin paints an instant, camouflage-colored portrait of what a mash-up the moon's surface is after eons of violent events. The geologic record at Schrödinger is ...
Space & Earth / Space Exploration
Aug 30, 2010 |
4.6 / 5 (11) |
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Whales in the desert: Fossil bonanza poses mystery
(AP) -- More than 2 million years ago, scores of whales congregating off the Pacific Coast of South America mysteriously met their end.
Other Sciences / Archaeology & Fossils
Nov 19, 2011 |
4.7 / 5 (10) |
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