A huge 75-foot-tall square boulder deep in Wyoming’s Bighorn Mountains has been baffling people since it was discovered.

The digging and burrowing of prehistoric worms and other invertebrates along ocean bottoms sparked a chain of events that released oxygen into the ocean and atmosphere and helped kick-start what is ...

“This mass extinction event in the Ordovician, this happened hundreds ... in Oklahoma but have higher water deposits and fewer fossils. Wright said Anticosti Island is like a book, much like ...

This Maymester program will introduce students to evolutionary principles, the science of deep time, how fossils form, critical thinking in biology, introduction to Ordovician-era fossils, during the ...

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