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

Larger: A back-scattered electron image of a microscopic crystal of priscillagrewite-(Y) enclosed in fluorapatite. Inset: An optical image of the same crystal. Credit: American Mineralogist / Irina Galuskina et al.

Priscillagrewite : New mineral named in honor of renowned Nebraska geologist

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

Central Alps of Switzerland

Formation of the Alps: Detaching and uplifting, not bulldozing

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

A rough diamond from Kankan, Guinea, that was analyzed in a new study led by a PhD student at the U of A. The imperfections inside the diamond are small inclusions of a mineral called ferropericlase, which is from the lower mantle. Credit: Anetta Banas

Uncovering new understanding of Earth’s carbon cycle

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