An impression made in clay around 175,000 years ago could be a kneeprint left by one of the builders of a strange stalagmite ...

A 44,000-year climate history recorded in a stalagmite in a wet cave in the Santa Rita Mountains lends credence to what scientists have long suspected: When the climate warms globally, the Southwest ...

Researchers analyzed a stalagmite found in a cave in Wisconsin and discovered evidence of an ice age thousands of years ago interspersed by sudden massive warming events affecting large parts of the ...

Well-meaning geologists ended up confusing plenty of folks when they named stalactites and stalagmites. Both of these similar-sounding structures—typically formed in limestone caves—are capable of ...

There were dramatic changes in the amount of radioactive carbon swirling around in the Earth's atmosphere during the last Ice Age, far greater than previously thought, scientists have found. The ...

A volleyball-sized stalagmite taken from a cave in northern China has given scientists insight about how the region’s precipitation has varied — and possibly influenced the rise and fall of various ...

A new study suggests that early Native Americans left a bigger carbon footprint than previously thought, providing more evidence that humans impacted global climate long before the modern industrial ...

The Maya civilization was among the most advanced in history, and its disintegration has perplexed researchers for ages. One of the most compelling theories to date suggests that a shifting climate, ...

A stalagmite from an Alpine cave may indicate that global warming is not as unusual as many think. Deposits laid down in the stalagmite have enabled a European team to probe past climates confirming a ...

The decline of ancient Maya society has perplexed archaeologists for decades. A stalagmite containing the climate record of the past 2,000 years now points toward changing weather patterns as a ...