What was the West like a thousand years ago, a million years ago — even a billion years ago? And how is that history still visible and consequential today? These were the driving questions behind the ...

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 ...

On a beach on a remote island in eastern Papua New Guinea, a country located in the southwestern Pacific to the north of Australia, garnet sand reveals an important geologic discovery. Similar to ...

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 ...

Researchers have made a new discovery that changes our understanding of Earth's early geological history, challenging beliefs about how our continents formed and when plate tectonics began. A study ...

The following is part of KRCC's 'Peak Past' essay series. I’m no geologist but I can’t help myself when I come across a pretty piece of pearly white quartz or a silver-flecked hunk of granite. I scoop ...

MISSOULA, Mont. — University of Montana Western geology professor Robert C. Thomas has published a new book exploring Montana's geologic history through 60 sites across the state. "Montana Rocks! A ...

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!

For many years, Titan’s thick, methane- and nitrogen-rich atmosphere kept astronomers from seeing what lies beneath. Saturn’s largest moon appeared through telescopes as a hazy orange orb, in contrast ...

Researchers probe deep secrets of trapped inclusions in garnet sand from Papua New Guinea. On a beach on a remote island in eastern Papua New Guinea, a country located in the southwestern Pacific to ...