Artist’s impression of Macrospondylus- an extinct fossil group of teleosauriods. Credit: Nikolay Zverkov Scientists probing a prehistoric crocodile group’s shadowy past have discovered a timeless…
Posts published in “Evolution”
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Estimated increase in the local number of bat species due to shifts in their geographical ranges driven by climate change since 1901. The zoomed-in area…
Researchers have reconstructed the ancestral sequence of the great ape Y chromosome by comparing three existing (gorilla, human, and chimpanzee) and two newly generated (orangutan…
Marmoset monkeys are not only passive observers of third-party interactions, but that they also interpret them. Credit: Judith M. Burkart, UZH Humans continuously observe and…
The sidewinder rattlesnake (Crotalus cerastes) is found in the deserts of the Southwestern United States and northern Mexico. Credit: Photo by Wolfgang Wuster Microscopic look…
Microscopic image of the fungus-like filamentous microfossils. Credit: Andrew Czaja of University of Cincinnati When you think of fungi, what comes to mind may be…
Cantabrigiaster fezouataensis from the Lower Ordovician (Tremadocian) Fezouata Shale, Zagora Morocco. Credit: Collections of the Claude Bernard University Lyon 1 Researchers from the University of…
Early settlers in the Americas were accompanied by their dogs. Credit: Ettore Mazza The first people to settle in the Americas likely brought their own…
Life reconstruction of the head of Parasaurolophus cyrtocristatus based on newly discovered remains. Credit: Copyright Andrey Atuchin The first new skull of a rare species…
The aerial scene depicts two Late Devonian early tetrapods — Ichthyostega and Acanthostega — coming out of the water to move on land. Footprints trail…
Bobbit worm (Eunice aphroditois). Credit: Jenny – Flickr CC BY 2.0 Fossil Burrows Point to Ancient Seafloor Colonization by Giant Marine Worms Giant ambush-predator worms,…
A reconstruction of Psittacosaurus illustrating how the cloacal vent may have been used for signalling during courtship. Credit: Bob Nicholls/Paleocreations.com 2020 For the first time…
Recovered from the Green River Formation in present-day Colorado, this fossil represents a new genus and species of predatory insects known as assassin bugs. Researchers…
Using computer simulations built on reasonable assumptions and conducted under careful control, computational bioscientists can mimic real biological conditions. Starting with the original founding population…
A Hesperapis regularis bee visits a flower of Clarkia cylindrica at Pinnacles National Park. Credit: Tania Jogesh Study of flowers with two types of anthers…
Novel methods for culturing previously “unculturable” bacteria. Credit: Molina-Menor, Gimeno-Valero, Peretó and Porcar The culture-dependent study allowed to isolate a surprisingly large number of diverse…
Two gray wolves (lower left) confront a pack of dire wolves over a bison carcass in Southwestern North America 15,000 years ago. Credit: Art by…
The Burgess Shale food web is one of eight ancient food webs that were analyzed for similarities. Credit: Jennifer Dunne If you want to understand…
Otodus megalodon preying upon the whale Cethoterium. Credit: Hugo Salais, Metazoa Studio A pioneering study by University of Bristol researchers finds that the evolution of…
Mollusks of a sample from Southern Israel: in red, those belonging to species of Red Sea origin, in blue, those of Mediterranean origin. Native species…