The Geologic Time Scale depends on two aspects of the dating of the records. First, the sedimentary records that are collected worldwide must be linked together through significant events, such as the ...

Since “Anthropocene” was coined in 2000, it has increasingly defined our times as an age of human-caused planetary transformation. On March 4, 2024, the commission responsible for recognizing time ...

The Late Holocene Meghalayan Age, newly-ratified as the most recent unit of the Geologic Time Scale, began at the time when agricultural societies around the world experienced an abrupt and critical ...

Geological time, generally considered as a system of eras, periods and epochs materialized in rock strata, might actually follow a simple and unifying model. Indeed, a new study led by physicist Shaun ...

Jurassic, Pleistocene, Precambrian. The named times in Earth’s history might inspire mental images of dinosaurs, trilobites, or other enigmatic animals unlike anything in our modern world. Labels like ...

Every other Friday, the Outside/In team answers a listener question about the natural world. This week’s question comes from Emily in Washington, DC. Crawford Lake in Milton, Ontario. The answer to ...

It's hard to wrap your mind around the concept of 4.5 billion years. For many of us, the Pyramids–built 4,500 years ago, a millionth of that time span–symbolize the distant past. The geological time ...

MILLIONS of people can name a single geologic period, the Jurassic. Nit-pickers did argue that the famous film should have been called Cretaceous Park, resting their case on the identification of the ...

A study published in the journal Communications Earth & Environment reveals the existence of a 60-million-year cycle combining tectonics, biogeochemistry, and marine biodiversity. By analyzing ...