If you look back through the billions of years of Earth’s history, you realize that the ground beneath you is anything but stable. Our planet has been a molten ball of fire, a frozen wasteland, and a ...

There's a billion-year gap in Earth's geological history. A new study seeks to explain the mystery.

3. 25 Facts About Geologic Time That Made Our Brains Hurt 4. How Do We Know? A Glimpse into Geologic Sleuthing 5. Our ...

Scientists at Curtin University have uncovered a new way to read the deep history of Earth’s landscapes using microscopic zircon crystals from ancient beach sands. These incredibly durable minerals ...

A potential new mineral on Mars forms when iron sulfates are heated above 100°C. Data from Valles Marineris regions suggest ...

Much of our understanding of Earth's past is derived from stratigraphic records exposed in rock outcrops or recovered from drilled cores. These records span immense time intervals, from thousands to ...

The Great Unconformity is a major gap in Earth's geologic record. The missing layer between Precambrian and Cambrian rocks ...

Houchin and his colleagues studied dozens of zircon crystals from the Jack Hills in Western Australia. These are the oldest ...

In 1869, John Wesley Powell was studying layers of rock in the Grand Canyon when he noticed an unconformity in the layers. Around a billion years were missing, and the problem turned out to be global.

The University of Idaho will be hosting a free public grand opening and ribbon cutting in the Mines Building to celebrate the ...

The phenomenon of the "Great Dissonance", where about a billion years are missing from the Earth's rocks, may finally be ...