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Joseph Peterson, a vertebrate paleontologist at the University of Wisconsin Oshkosh, demonstrates how a T. rex takes a bite.

Teenage T. rex was already chomping on prey

Earth's layers

Scientists go to extremes to reveal make-up of Earth’s core

Researchers conducting fieldwork in Namibia as part of a previous study.

Ancient records prompt rethink of animal evolution timeline

Opal found in Coober Pedy

What are the minerals and Gems that found in the Sedimentary...

Opal found in Coober Pedy

What are the minerals and Gems that found in the Metamorphic...

Opal found in Coober Pedy

What are the minerals and Gems that found in the Igneous...

Galleonosaurus dorisae

New wallaby-sized dinosaur from the ancient Australian-Antarctic rift valley

Copepods

Small animals with big impact

A speleothem that Ibarra retrieved from a cave in the Philippine

Rescuing geologic and climate records

Shells

The deep Southern Ocean is key to more intense ice ages

Intrusive Basalt Dike, Acadia National Park

Intrusive Basalt Dike “Acadia National Park”

Asteroid impact earth

Dinosaurs were thriving before asteroid strike that wiped them out

a fossilized dinosaur footprints

Dinosaur tracks make fresh impression at Valley Forge park

This is a tidal marsh in Maryland, on a tributary of Chesapeake Bay.

As sea level rises, wetlands crank up their carbon storage

A 2015 wildfire burns in the boreal forest of central Alaska. A recent study by Tyler Hoecker and Philip Higuera reconstructs fire history in a nearby boreal forest landscape and suggests that fire activity over the past several decades has been higher than at any time over the past 450 years.

Alaska forest fires over past 450 years

Scientists used the model to calculate seismic risk in the L.A. Basin

Fast, simple new assessment of earthquake hazard

Roman monuments, including the Colosseum

Seemingly dormant geologic fault damaged famous Roman buildings 1,500 years ago

Rare Earth Elements

Potential new source of rare earth elements

An example of sector zoning

‘Amazing snapshots’ plumb volcanic depths

megalodon's teeth

How megalodon’s teeth evolved into the ‘ultimate cutting tools’

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