Las Vegas locals began a project in the 1990s to protect a geological marvel at the edge of town. They made educational signs and were joined by politicians including late Sen. Harry Reid and ...

A new study led by University of Colorado Boulder researchers sheds light on one of the world’s great geological mysteries: a missing chapter of the earth’s rock record known as the Great Unconformity ...

The geologic record is exactly that: a record. The strata of rock tell scientists about past environments, much like pages in an encyclopedia. Except this reference book has more pages missing than it ...

Scientists have known for some time that there is a huge gap in our planet’s geological record, known as the ‘Great Unconformity’, but had been unable to explain why. The Great Unconformity starts ...

Visitors to Pikes Peak in Colorado may not notice that anything is amiss, but ask a geologist and she’ll tell you that something is missing. At rocky sites across America, including Pikes Peak and the ...

New research provides further evidence that rocks representing up to a billion years of geological time were carved away by ancient glaciers during the planet's 'Snowball Earth' period. New research ...

Believe it or not, the geology at the bottom of the Grand Canyon is extraordinarily common. There, layers of sedimentary rock lie flat atop angled layers of significantly more ancient metamorphic rock ...

A new study led by University of Colorado Boulder researchers sheds light on one of the world’s great geological mysteries: a missing chapter of the earth’s rock record known as the Great Unconformity ...