The world and its ecosystems have been around for a long time — so long that the first mass extinction occurred “just shy” of ...

The world and its ecosystems have been around for a long time — so long that the first mass extinction occurred “just shy” of ...

“This mass extinction event in the Ordovician, this happened hundreds ... conduct fieldwork, identify and collect fossils that help give a better picture of what ecosystems were like before ...

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 ... Students ...

Coeval basin formation, plutonism and metamorphism in the Northern Tasmanides: extensional Cambro-Ordovician tectonism of the Charters ... Pseudoscorpiones), and an updated identification key to the ...

In this country, in Devonshire and Cornwall, the occurrence of radiolarian cherts, both of Ordovician and Carboniferous ... of considerable importance in the identification of horizons, although ...

Anyone who gets six of the 12 activities on a passport stamped will receive a free 450-million-year-old Ordovician fossil. Young children will take home a small toy dinosaur from the Dino Dig.

"It was pretty clear it was a mammoth." Experts have determined the fossils are of a 40-year-old male Columbian mammoth—one of the largest known mammoth species—from roughly 20,000 years ago.

This era of intense bombardment, known as the Ordovician impact spike, may have resulted from meteorites falling from the ring rather than flying in from space, which would explain the strange ...