A 6-year-old boy in Nebraska made history this summer by discovering a rare fossil at Schramm Park State Recreation Area, the ...

Skeleton season may be just around the corner, but the skeleton age dawned with the early Cambrian Period, about 538 million to 506 million years ago. In this time span, most major animal groups ...

Tiny plankton shells used to reconstruct past polar ocean temperatures may contain two different chemical stories, a new study by iC3 researchers has found. The work shows that Neogloboquadrina ...

Ammonites swam in the Western Interior Seaway that once covered a large portion of North America. These iridescent fossils from South Dakota, around 69–72 million years old, preserve inner shell ...

A new foraminiferal zonation of the London Clay Formation on the Isle of Wight allows scientists to locate Eocene ...

This article predates Brown Brothers Media’s ownership of Science Blog and has not been reviewed under our current editorial process. It is preserved as part of the publication’s archive. The impact ...

When dinosaur fossils surface at a site, it is often not possible to tell how many millions of years ago their bones were buried. While the different strata of sedimentary rock represent periods of ...