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Earliest oceanic tetrapod ecosystem from 249 million years ago. A pod of the small-bodied ichthyopterygian ('fish-lizard') Grippia longirostris hunting squid-like ammonoids (top left). The marine amphibian Aphaneramma captures the bony fish Bobastrania (foreground). The gigantic ichthyosaur Cymbospondylus lurks in the depths (bottom right). Fossil of these ancient marine reptiles and amphibians are today preserved on the Arctic island of Spitsbergen in the Svalbard archipelago. Credit: Robert Back

Oldest oceanic reptile ecosystem from the Age of Dinosaurs found on...

New research suggests that higher-latitude marine environments, such as those around the Selmaneset section in western Svalbard, seen here, may have provided a refuge for sea life during the Great Dying. Credit: Tereza Mosociova

How algae helped some life outlast extinction

The new fossil snake species, Paradoxophidion richardoweni, lived in a much warmer England more than 37 million years ago. Credit: Jaime Chirinos

‘Weird’ new species of ancient fossil snake discovered in southern England

Ammolite shows (almost) the complete color spectrum. Credit: Gems & Gemology (2001). DOI: 10.5741/gems.37.1.4

How ammolite gemstones get their vivid colors

Credit: J. Lacerda

Fossil lichen from Devonian era shows how fungi-algae alliance paved way...

Treptichnus in the Shibantan assemblage in the Wuhe area. Credit: NIGPAS

Oldest known 3D burrow systems uncovered in Hubei’s Shibantan biota

Credit: André Amaral, AG Haug

Rare fossil find reveals early evolution of mosquitoes

On the left, one of the gigantic cardabiodontid fossils (NTM P22-33) with a diameter of 12.5 cm (courtesy of Dr. Mohamed Bazzi); on the right, anterior or posterior, dorsal, anterior, and dorsal fossils from a 5-meter-long (16.4 feet) adult Great White shark, Carcharodon carcharias (LACM I-35875-1). Credit: Mike Newbrey

An old fish fossil tells a new story about lamniform shark...

sword dragon. Credit: University of Manchester

Rare Jurassic ‘sword dragon’ prehistoric reptile discovered in the UK

Acronichthys maccagnoi fossil (with scale), which was located well inland from the shoreline of the Western Interior Seaway. Credit: Don Brinkman, Royal Tyrrell Museum

Fossilized ear bones rewrite the history of freshwater fish

A reconstruction of Breugnathair elgolensis, the newly described Jurassic species with characteristics of both lizards and snakes. Credit: Mick Ellison/AMNH

Jurassic reptile fossil discovery blurs the line between snake and lizard

The fossil leech compared with a modern leech. Double arrows indicate the large caudal sucker used for attachment, single arrows indicate body annulations. Credit: Andrew J Wendruff/Otterbein University and Takafumi Nakano/Kyoto University

Rare fossil reveals ancient leeches weren’t bloodsuckers

A commissioned artwork by Andrey Atuchin illustrates Eurhinosaurus mistelgauensis on a belemnite battleground. Credit: Andrey Atuchin. CC-BY 4.0

New ichthyosaur species with robust ribs discovered in Jurassic clay pit

A complete petrified skeleton of an ancestor of modern porpoises dating back more than 10 million years is unveiled at the Geological, Mining, and Metallurgical Institute (INGEMMET) in Lima on September 17, 2025.

12-million-year-old porpoise fossil found in Peru

Different views of the material studied. Credit: Review of Palaeobotany and Palynology (2025). DOI: 10.1016/j.revpalbo.2025.105401

A 296-million-year-old fossil unearthed in Brazil sheds light on ancient plant...

The 13 fossil teeth collected in the Ledi-Geraru Research Area from 2015–2018. The collections at LD 750 and LD 760 localities represent a newly-discovered species of Australopithecus. LD 302 and AS 100 represent early Homo already known from the LD 350 mandible discovered in 2013. Credit: Brian Villmoare: University of Nevada Las Vegas

Scientists uncover new fossils—and a new species of ancient human ancestor

Janjucetus dullardi calf and mother. Artwork by Ruairidh Duncan. Credit: Ruairidh Duncan / Museums Victoria

Shark-like ancient whale with slicing teeth discovered on Victoria’s Surf Coast

Dentition of Eocoileus gentryorum from the Gray Fossil Site compared to a sample of fossil and extant cervids. Credit: Palaeontologia Electronica (2025). DOI: 10.26879/1560

5-million-year-old deer fossils link modern wildlife to ancient North American forests

This illustration by Mauricio Alvarez depicts 'Yeutherium pressor,' a tiny mammal that lived in the time of the dinosaurs in what is now southern Chile.

Scientists find 74-million-year-old mammal fossil in Chile

Jacqueline Lungmus, an assistant professor of geosciences at the University of Oklahoma and UW undergraduate alum; Kenneth Angielczyk, curator of paleomammology at the Field Museum; and Brandon Peecook, associate professor of biological sciences at Idaho State University and a UW doctoral alum, excavate a fossilized dicynodont from the Permian of Zambia. Credit: Roger Smith/University of the Witwatersrand

Fresh fossil finds in Africa shed light on the era before...

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