Richard Corfield explains how our understanding of geological time has been revolutionized over the last decade by studying how cyclic variations in the Earth’s orbit are encoded into sediments and ...

Scientists conduct sampling at Crawford Lake in Ontario, Canada, in April 2023. Last summer, a working group chose the lake as a representative location for the influence of human activity on the ...

Mg isotope compositions of some typical geological standard samples measured by the DS method and the SSB method in different laboratories. The sample-standard-bracketing (SSB) method and double-spike ...

The entirety of human civilization has occurred in the Holocene geological epoch, a period of relatively stable global temperature that stretches from 11,700 years ago to today. Maybe. For more than a ...