Earth was a frozen wasteland. Then, rising CO2 caused a catastrophic thaw, turning Earth into a "slushy" planet.

The atmosphere is constantly changing. Its composition has varied regularly over the course of the planet's climatic epochs, ...

The duo suggested that we are living in a new geological epoch. The Earth is 4.5 billion years old, and modern humans have been around for around a mere 200,000 years. Yet in that time we have ...

For the past 15 years, researchers with the Anthropocene Working Group (AWG) have argued that the epoch of human-driven changes to the Earth's geology (for which their team is named) began more ...

The scale functions as a massive calendar, dividing the history of life into eras, periods, and epochs based on fossil evidence. In this feature, explore the history of life on Earth as we know it ...

A new study dates the start of the Anthropocene, the epoch where human impact on the Earth system causes it to deviate from ...

Geologists have assigned the present time to the Holocene Epoch of the Quaternary Period, part of the Cenozoic Era, on the time scale of the 4.6-billion-year history of the Earth. However ...