News tagged with sedimentary layers
NASA officials remember Mars rover Spirit
Scientists and engineers gathered Tuesday at NASA's Jet Propulsion Laboratory to remember the legacy of the hard-luck rover Spirit that came through in the end with geologic evidence that Mars was once a warm ...
Space & Earth / Space Exploration
Jul 20, 2011 |
not rated yet |
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Early humans caused extinction of Australia's giant animals
(PhysOrg.com) -- The mass extinction of Australia's giant animals, such as huge kangaroos and rhinoceros-sized wombats, might have been more rapid than previously thought, according to new research from the ...
Other Sciences / Archaeology & Fossils
Jan 28, 2010 |
3.8 / 5 (4) |
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New evidence links humans to megafauna demise
(PhysOrg.com) -- A new scientific paper co-authored by a University of Adelaide researcher reports strong evidence that humans, not climate change, caused the demise of Australia's megafauna -- giant marsupials, ...
Jan 21, 2010 |
4.4 / 5 (7) |
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Andes Mountains Are Older Than Previously Believed
(PhysOrg.com) -- The geologic faults responsible for the rise of the eastern Andes mountains in Colombia became active 25 million years ago—18 million years before the previously accepted start date for the ...
Space & Earth / Earth Sciences
May 15, 2009 |
4.4 / 5 (8) |
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Geologic Findings Undermine Theories of Permian Mass Extinction Timing
(PhysOrg.com) -- New scientific findings by geologist Robert Gastaldo of Colby College in Waterville, Maine, and colleagues call into question popular theories about the largest mass extinction in Earth's ...
Space & Earth / Earth Sciences
Mar 02, 2009 |
4.1 / 5 (20) |
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1.5 million-year-old fossil humans walked on modern feet (Video)
Ancient footprints found at Rutgers' Koobi Fora Field School show that some of the earliest humans walked like us and did so on anatomically modern feet 1.5 million years ago.
Other Sciences / Archaeology & Fossils
Feb 26, 2009 |
4.8 / 5 (6) |
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