A top panel of geologists has decided not to grant the 'human age' its own distinct place in Earth's geological timeline after disagreeing over when exactly our era might have begun. After 15 years of ...

Continental clues: Modern continental rocks carry chemical signatures from the very start of our planet’s history, challenging current theories about plate tectonics. Researchers have made a new ...

Welcome to “deep time”—a concept that describes the billions of years that make up Earth’s history. It’s a timeline so vast that all of human civilization, from the first cave paintings to space ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: “The Great Unconformity…represents a globally ...

Earth’s geological timeline goes back 540 million years and gives us a picture, so to speak, of the history of our planet that we can read in the sediments found in rock layers, or strata. The ...

The discovery could usher in a wave of investigations into the evolution of Earth’s mantle, a layer of material about 1,800 miles deep that extends from just beneath the planet’s thin crust to its ...

What are some events that all of us have had in our lives? Ask the class "What are some events that all of us have had in our lives?" Make a list of 5 or 6 things on the board. Let’s organize these!

While scientists are revising the timeline at Australia's North Pole Dome, it's still our oldest known crater.