For decades, scientists puzzled over two key climate mysteries. What sparked the formation of Earth’s vast ice sheets during ...

A recent Geoarchaeology study led by William C. Murphree and colleagues investigates three combustion features at the ...

The Great Infra-Cambrian Ice Age There is considerable geological evidence for an extensive glaciation some 600 million years ago. Its end caused an alteration of climate that made possible the ...

The warmth of the long summer afternoons of the most recent ice age sent great freshets of glacial meltwater, milky white with suspended rock flour, into Glacial Lake Missoula. Rock flour settled ...

Whether for cooking, heating, as a light source or for making tools—it is assumed that fire was essential for the survival of ...

Following the end of the last Ice Age, around 10,000 years ago, the levels of the North Sea began to rise as waters formerly locked up in great ice sheets melted. Sometime after about 8200 BC the ...