The origin of endothermy in synapsids, including the ancestors of mammals. The diagram shows the evolution of main groups through the Triassic, and the scale from blue to red is a measure of the degree of warm-bloodedness reconstructed based on different indicators of bone structure and anatomy. Credit: Mike Benton, University of Bristol. Animal images are by Nobu Tamura, Wikimedia

World’s greatest mass extinction triggered switch to warm-bloodedness

Reconstruction of Morganucodon (left) and Kuehneotherium (right) hunting in Early Jurassic Wales 200 million years ago. Credit: Original painting by John Sibbick, 2013. Copyright: Pam Gill

Ancient tiny teeth reveal first mammals lived more like reptiles

An artist's impression of Leptostomia begaaensis Credit: Megan Jacobs, University of Portsmouth

Beak bone reveals pterosaur like no other

Researchers discover fossils of new species in Arizona

Artist's rendering of Gavialimimus almaghribensis, a newly discovered species of mosasaur that ruled the seas of what is now Morocco some 72 to 66 million years ago. Credit: Tatsuya Shinmura

Paleontologists identify new species of mosasaur

Micro-CT reconstruction of Mysteriomorphus pelevini Credit: D. Peris & R. Kundrata et al. / Scientific Reports

Scientists reconstruct beetles from the Cretaceous

Fossil and life reconstruction of Juravenator, a small carnivorous dinosaur from the Jurassic of Germany. The arrow points to the sensory organ, which are found on polygonal scales covering the lower part of the tail. Credit: Jake Baardse.

Carnivorous dinosaur had crocodile-like senses

Naked prehistoric monsters

Evidence that prehistoric flying reptiles probably had feathers refuted

Artist's impression of Oksoko avarsan dinosaurs (credit: Michael Skrepnick)

Lost digits point to spread of parrot-like dinosaur

Colobops noviportensis

A timeline on the evolution of reptiles : 75-year-old belief in...

Altmühl specimen of Archaeopteryx, showing the dorsal surface of the right wing.

Dinosaur feather study debunked

A skeletal mount of the mosasaur 'Gnathomortis stadtmani' at BYU’s Eyring Science Center. USU Eastern paleontologist Josh Lively named the giant marine lizard that roamed the oceans of North America toward the end of the Age of Dinosaurs. Courtesy BYU.

Jaws of death: Paleontologist renames giant, prehistoric marine lizard

Artist’s impression of Spinosaurus. Credit: Davide Bonadonna

Dino teeth research prove giant predatory dinosaur lived in water

Life reconstruction of Euparkeria highlighting the body parts investigated in this study. Credit: Oliver Demuth

Modelling of ancient fossil movement reveals step in the evolution of...

Life reconstruction of the fossil bird Confuciusornis, one of the first beaked birds. Confuciusornis was roughly the size of a crow. It is known from hundreds of beautifully-preserved fossils, found in Early Cretaceous rocks from northeastern China. Credit: Gabriel Ugueto

Bird beak revealed by laser imaging informs early beak function and...

A bundle of giant sperm of the present-day ostracod crustacean Cyclocypris serena. Photo credit: R. Matzke-Karasz.

World’s Oldest Animal Sperm Trapped in Amber

Ostracod crustaceans were entrapped in this tiny piece of Cretaceous amber found in Myanmar.

The oldest known sperm cells

Saturn's icy

Process that might have led to first organic molecules

Summary of major extinction events through time, highlighting the new, Carnian Pluvial Episode at 233 million years ago. Credit: D. Bonadonna/ MUSE, Trento

Discovery of a new mass extinction

The dawn crested penguin Eudyptes atatu in New Zealand, three million years ago. Image by Simone Giovanardi. Permission for use of the image for a press release is granted by the artist. Credit: Massey University

Newly-described fossils reveal an ancient origin for New Zealand penguins

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