(PhysOrg.com) -- A perfectly preserved shoe, 1,000 years older than the Great Pyramid of Giza in Egypt and 400 years older than Stonehenge in the UK, has been found in a cave in Armenia.
Jun 09, 2010
4.9 / 5 (20)
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(PhysOrg.com) -- A new study suggests the long necks of sauropod dinosaurs really were held high, in spite of theories suggesting they were more likely to keep their necks low because of the very high blood ...
Jun 03, 2010
4.1 / 5 (11)
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(PhysOrg.com) -- Ardipithecus ramidus - a purported human ancestor that was dubbed Science magazine's 2009 "Breakthrough of the Year" - is coming under fire from scientists who say there is scant evidence for he ...
May 27, 2010
4.4 / 5 (5)
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A study by researchers at the University of Toronto and the Royal Ontario Museum sheds new light on a previously unclassifiable 500 million-year-old squid-like carnivore known as Nectocaris pteryx.
May 26, 2010
4.8 / 5 (19)
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Was Tyrannosaurus rex cold-blooded? Did birds regulate their body temperatures before or after they began to grow feathers? Why would evolution favor warm-bloodedness when it has such a high energy cost?
May 24, 2010
4.9 / 5 (15)
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(PhysOrg.com) -- Spanish explorers encountering an advanced civilization in Mesoamerica in the 16th century had plenty of things to be astonished about, but one type of object in particular was unlike anything ...
May 24, 2010
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(PhysOrg.com) -- There has been some debate over the last century or so about whether the extinct American lion, Panthera atrox, which dates from the Pleistocene, is related to present day African lions (Panthera le ...
May 18, 2010
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(AP) -- Archaeologists in southern Mexico announced Monday they have discovered a 2,700-year-old tomb of a dignitary inside a pyramid that may be the oldest such burial documented in Mesoamerica.
May 18, 2010
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A mass extinction of fish 360 million years ago hit the reset button on Earth's life, setting the stage for modern vertebrate biodiversity, a new study reports.
May 17, 2010
4.8 / 5 (13)
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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. ...
May 13, 2010
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Bared teeth are a prominent and eye-catching feature on many historical and archaeological artifacts, and are commonly interpreted as representing death, aggression and the shamanic trance. But a study in ...
May 12, 2010
4.4 / 5 (8)
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Archaeologists have disproved the fifty-year-old theory underpinning our understanding of how the famous stone statues were moved around Easter Island.
May 12, 2010
4.6 / 5 (14)
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Brazilian paleontologists announced Tuesday they discovered the well-preserved and near-complete fossils of a pre-dinosaur predator that lived some 238 million years ago.
May 11, 2010
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(PhysOrg.com) -- It's in the teeth. An odd mosaic of dental features recently unearthed in northern Egypt reveals a previously undocumented, highly-specialized primate called Nosmips aenigmaticus that lived ...
May 10, 2010
4.7 / 5 (6)
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A water feature found in the Maya city of Palenque, Mexico, is the earliest known example of engineered water pressure in the new world, according to a collaboration between two Penn State researchers, an ...
May 04, 2010
4.5 / 5 (14)
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