Deep-sea drillers investigate shedding of Antarctic icebergs

The 5.4 million square-mile Antarctic ice sheet is by far the greatest mass of fresh water on earth. If all it were to melt, it would raise global sea levels some 70 meters (220 feet), driving human civilization inland, and ...

Archaeologists uncover new clues to Maya collapse

Using the largest set of radiocarbon dates ever obtained from a single Maya site, archaeologists have developed a high-precision chronology that sheds new light on patterns leading up to the two major collapses of the ancient ...

Book chronicles rise of urban planning in ancient Egypt

The pyramids and temples of Egypt, which still stand as magnificent monuments to ancient Egyptian civilization, were the result of some of the world's first urban planners—the ruling pharaohs who invested in town planning.

What really happened on Easter Island?

Hundreds of iconic moai statues stand testament to the vibrant civilization that once inhabited Easter Island, but there are far fewer clues about why this civilization mysteriously vanished. Did they shortsightedly exhaust ...

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