Scientist Says Concrete Was Used in Pyramids
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If true, historians say, this would be the earliest known application of concrete technology.
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Medieval 'quasicrystalline geometry' A US scientist has discovered that medieval Islamic ceramic designs demonstrate their makers' understanding of "quasicrystalline geometry" - something modern mathematicians only "figured out" in the last 20 or 30 years.â¦
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Egypt's chief archaeologist displayed on Tuesday the latest discoveries from the Sakkara cemetery south of Cairo and said many more treasures clearly lay hidden beneath the sands.
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It has long been a matter of contention: Was the Aztec and Mayan practice of human sacrifice as widespread and horrifying as the history books say? Or did the Spanish conquerors overstate it to make the Indians look primitive? In recent years archaeologists have been uncovering mounting physical evidence that corroborates the Spanish accounts in substance, if not number.
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An American researcher claimed yesterday to have discovered the remains of the legendary lost city of Atlantis on the bottom of the east Mediterranean Sea.
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Archaeologists say they have found a huge ancient settlement used by the people who built Stonehenge.
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By RANDOLPH E. SCHMID  WASHINGTON - Chimpanzees may have been using stone "hammers" as long as 4,300 years ago.
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An extremely high-strength concrete formula had been used successfully for the first time in New York City, as part of the Freedom Tower project.
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Scientists are using a giant computer-controlled pavement to help re-design the pedestrian environment.
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A Peruvian archaeologist is hurling allegations of plagiarism and intellectual plunder at American colleagues over a barren desert landscape where a mysterious culture built pyramids nearly 5,000 years ago.
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The new findings are the fruit of 15 years of excavations in the Oaxaca Valley of southern Mexico that have brought to light a remarkably complete series of structures used for religious purposes.
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MEXICO CITY -- Mexican archeologists say they have made the most significant Aztec find in decades, unearthing a 15th-century altar and a huge stone slab at a ruined temple in the throbbing heart of Mexico City.
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Mass mausoleum for paying customers A German consortium has announced its plan to build the world's largest structure - a 578m-high "Giant Pyramid", designed to offer paying customers the chance to "outlast personal physical existence", as the group's website puts it.â¦
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Mass human death rituals, hidden jungle clans, stone killing columns&#8212;much of Mel Gibson movie rings false to at least one Maya expert.
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Before he became Mel Gibson's lead consultant on the movie Apocalypto, Maya expert Richard Hansen spent decades exploring the ancient civilization.
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Scientists disagree on whether the region's high subsidence rates are natural or due to human intervention.
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Curious polygon shapes on the surface of Mars are among the latest evidence clearly suggesting the presence of water, and some of it may have appeared there even after the surface was bombarded by objects from distant space.