Scientists have identified the geological site that they say best reflects a proposed new epoch called the Anthropocene — a major step toward changing the official timeline of Earth’s history.

Learn about two major asteroid impacts from 3.5 million years ago that may not have had lasting environmental effects.

Trees surround Crawford Lake in Milton, Ontario., on Monday, July 10, 2023. A team of scientists is recommending the start of a new geological epoch defined by how humans have impacted the Earth ...

According to an account by meeting organizer and chemist Will Steffen – amid a series of presentations describing various significant and geologically recent changes in Earth’s atmosphere, oceans and ...

Humans have etched their impact on the Earth with such strength and permanence since the middle of the 20th century that scientists says a new geologic epoch began then. Called the Anthropocene ...

Grass is reflected in water at Crawford Lake in Milton, Ontario, on Friday, July 7, 2023. A team of scientists is recommending the start of a new geological epoch defined by how humans have ...

The geological epoch was caused by the impact that humans have had on the Earth, including climate change, pollution and species loss. AP. But not quite.