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Early lineages of mammal like this large Gobiconodon from Mongolia, outcompeted the ancestors of modern mammals in the time of dinosaurs. Credit: Corbin Rainbolt

Mammals in the time of dinosaurs held each other back

Geology Page - May 22, 2021

Hesperornis image provided by the Yale Peabody Museum of Natural History. (Photo: Robert Lorenz)Hesperornis image provided by the Yale Peabody Museum of Natural History. (Photo: Robert Lorenz)

What can a dinosaur’s inner ear tell us? Just listen

"Hollywood" specimen, same species as Teratophoneus, discovered approximately two miles north of the "Rainbows and Unicorns Quarry" on Grand Staircase-Escalante National Monument. Credit: U.S. Bureau of Land Management

Fearsome tyrannosaurs were social animals, study shows

Over approximately 2.5 million years, North America likely hosted 2.5 billion Tyrannosaurus rexes, a minuscule proportion of which have been dug up and studied by paleontologists, according to a UC Berkeley study. (Image by Julius Csotonyi, courtesy of Science magazine)

How many T. rexes were there? Billions

The world's smallest stegosaur footprint (less than 6 cm long), Xingjiang, China. Photo credit - Lida Xing.

Tiny cat-sized stegosaur leaves its mark

Research suggests terror bird’s beak was worse than its bite

Geology Page - August 30, 2013

Fresh Analysis of Dinosaur Skulls Shows Three ‘Species’ Are Actually One

Geology Page - August 11, 2013

Head-to-head record suggests dinosaurs were headbangers

Geology Page - July 28, 2013

Dinosaur tail found in Mexico

Geology Page - July 25, 2013

Dinosaur teeth reveal feeding habits

Geology Page - July 21, 2013

A near miss for a Tyrannosaurus rex: evidence of failed predation

Geology Page - July 20, 2013

High Tooth Replacement Rates in Largest Dinosaurs Contributed to Their Evolutionary...

Geology Page - July 18, 2013

New Evidence for Warm-Blooded Dinosaurs

Geology Page - July 18, 2013

Tooth Is ‘Smoking Gun’ Evidence That Tyrannosaurus Rex Was Hunter, Killer

Geology Page - July 17, 2013

Big-nosed, long-horned dinosaur discovered in Utah

Geology Page - July 17, 2013

T-rex tooth found embedded in prey, restoring dinosaur’s reputation

Geology Page - July 15, 2013

Dinosaurs, Diets and Ecological Niches: Study Shows Recipe for Success

Geology Page - July 11, 2013

Exploring dinosaur growth

Geology Page - June 30, 2013

How ‘Parrot Dinosaur’ Switched from Four Feet to Two as It...

Geology Page - June 29, 2013

Paleontologists Discover Oldest Feathered Dinosaur “Archaeopteryx”

Geology Page - May 30, 2013

Small, Speedy Plant-Eater Extends Knowledge of Dinosaur Ecosystems

Geology Page - May 23, 2013

New Study Reveals Patterns of Dinosaur Brain Development

Geology Page - May 21, 2013

Mum and Dad Dinosaurs Shared the Work

Geology Page - May 18, 2013

Four New Dinosaur Species Identified

Geology Page - May 9, 2013

Bone-Headed Dinosaur Hinting at Higher Diversity of Small Dinosaurs

Geology Page - May 8, 2013

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Satellite image of the Gibraltar Arc. Credit: NASA

Lithospheric thickening beneath the Betics and Rif mountains pulls down the...

January 20, 2020

Virtual time machine of Earth’s geology now in the cloud

March 10, 2016

140-million-year-old dinosaur tooth found in Malaysia

November 13, 2014

A Texas fish of the dinosaur era, on display at the...

February 23, 2016

MORE ARTICLES

Woolly mammoths died for want of a few herbs

Paleontologist names a carnivorous reptile that preceded dinosaurs

Extraction of the sequence in Basa de la Mora lake by the IPE-CSIC research group of Quaternary Paleoenvironments. Credit: Anchel Belmonte Creative Commons BY-ND

Holocene temperature in the Iberian Peninsula reconstructed studying insect subfossils

Forming Hydrocarbons in the Deep Earth