Scientists have unearthed in Arizona fossils from an assemblage of animals, including North America's oldest-known flying reptile, that reveal a time of transition when venerable lineages that were ...

A single deposit has produced a wealth of fossils revealing the late Triassic ecosystem, where giant amphibians cohabited ...

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

The gold standard for determining the age of ancient rocks is measuring the radioactive decay of isotopes of uranium into lead in minerals known as zircons. But not all rocks contain zircons, so ...

Canadian scientists found the oldest known rocks on Earth - dating back 4.16 billion years - shedding light on our planet’s ...

(via SciShow) The Appalachian Mountains are some of the oldest geological features on earth. And they also hold fossils that tell us about some of the very earliest life forms that we'll ever manage ...

Except it contains many of the world's best-preserved, most diverse fossils. The defunct mine's location in Grundy County is one of several sites spanning six counties that belong to the Mazon ...

65 miles southwest of Chicago, a small hill that looks like a prop from an Indiana Jones contains many of the world’s best-preserved, most diverse fossils.

Fossil hunting is quite the fun hobby, and if you want to indulge that interest, there are some specific places that you ...

"The rocks containing the fossils were extracted 20 years ago at the Callide Mine, and have been on display since that time," environment and community advisor Natasha Hutchings said.

At a synchrotron X-ray source, the team took computed tomography (CT) scans of over 100 of these fossils. They digested some fossils with acid to liberate plant matter for study under the microscope.

As for volcanic evidence, the rocks containing these fossils do have some volcanic detritus, but there isn’t evidence of intense pyroclastic flows, the team says.