The largest water management feature in Khmer history was built in the 10th century as part of a short-lived ancient capital in northern Cambodia. However, the system failed in its first year of operation, probably contributing to the return of the capital to Angkor Wat. An international team of researchers led by Dr. Ian Moffat ...
A study has concluded that the earliest ancestors of anatomically modern humans (Homo sapiens sapiens) emerged in a southern African “homeland” and thrived there for 70,000 years. The breakthrough findings are published in the prestigious journal Nature. The authors propose that changes in Africa’s climate triggered the first human explorations, which initiated the development of ...
Dinosaur footprints found in several European countries, very similar to others in Morocco, suggest that dinosaurs could have been dispersed between the two continents by landmasses separated by a shallow sea more than 145 million years ago. At the end of the Jurassic, as a consequence of the defragmentation of the Pangaea supercontinent, the countries ...
Humankind first started farming in Mesopotamia about 11,500 years ago. Subsequently, the practices of cultivating crops, raising livestock, and the concept of private property emerged independently at perhaps a dozen other places around the world. This period is what archaeologists call the Neolithic Agricultural Revolution. It’s one of the most thoroughly-studied episodes in prehistory — ...
Clues from Canadian rocks formed billions of years ago reveal a previously unknown loss of life even greater than that of the mass extinction of the dinosaurs 65 million years ago. The Earth lost nearly three-quarters of its plant and animal species in a huge die-off in the ancient biosphere. Rather than prowling animals, this ...
Late in the prehistoric Silurian Period, around 420 million years ago, a devastating mass extinction event wiped 23 percent of all marine animals from the face of the planet. For years, scientists struggled to connect a mechanism to this mass extinction, one of the 10 most dramatic ever recorded in Earth’s history. Now, researchers from ...
An international team of scientists, studying evidence preserved in speleothems in a coastal cave, illustrate that more than 3 million years ago — a time in which the Earth was 2°C to 3°C warmer than the pre-industrial era — the sea level rise was as much as 16 meters higher than the present day. Their ...
Stone tools uncovered in Mongolia by an international team of archaeologists indicate that modern humans traveled across the Eurasian steppe about 45,000 years ago, according to a new University of California, Davis, study. The date is about 10,000 years earlier than archaeologists previously believed that humans migrated to Mongolia. The site also points to a ...
A team from University College Dublin has unearthed almost 40 previously unknown monuments close to Newgrange, including a “spectacular” monument that aligns with the winter solstice sunrise. The findings likely range from the Neolithic period (4000 B.C.), through the Bronze Age (2500 B.C.), and the early Middle Ages. The monument aligned with the winter solstice ...
Humans in Ethiopia did not live in low valleys during the last ice age. Instead, they lived high up in the inhospitable Bale Mountains. There, they had enough water, built tools out of obsidian, and relied mainly on giant rodents for nourishment. This discovery was made by an international team of researchers led by Martin ...
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