News tagged with geologic history
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 |
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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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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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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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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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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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UF Pine lsland pollen study leads to revision of state's ancient geography
A new University of Florida study of 45-million-year-old pollen from Pine Island west of Fort Myers has led to a new understanding of the state's geologic history, showing Florida could be 10 million to 15 million years older ...
Other Sciences / Archaeology & Fossils
Mar 02, 2011 |
4 / 5 (1) |
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The three ages of Mars
There is no place on Earth that is a perfect copycat of Mars as it is now, or as it was at any specific point in the past. But scientists suggest Earth has little versions of Mars as it might have been over ...
Space & Earth / Space Exploration
Dec 10, 2010 |
4.6 / 5 (7) |
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New explanation for the origin of high species diversity
An international team of scientists have reset the agenda for future research in the highly diverse Amazon region by showing that the extraordinary diversity found there is much older than generally thought.
Nov 11, 2010 |
4.3 / 5 (10) |
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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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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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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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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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New study finds link between marine algae and whale diversity over time
A new paper by researchers at George Mason University and the University of Otago in New Zealand shows a strong link between the diversity of organisms at the bottom of the food chain and the diversity of mammals at the top.
Feb 19, 2010 |
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