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For her research Witkowski collected seawater with fresh, modern algae to test potential indicators of the past.

Fossil algae reveal 500 million years of climate change

During the Triassic period (252-201 million years ago) mammal-like reptiles called therapsids co-existed with ancestors to dinosaurs, crocodiles, mammals, pterosaurs, turtles, frogs, and lizards.

Gigantic mammal ‘cousin’ discovered

two fossilized dinosaur skeletons found on a Montana

Fight over dinosaur fossils comes down to what’s a mineral

Dinosaur reconstructions by Dr Anthony Romilio

Tiny raptor tracks lead to big discovery

A reconstruction of the Eocene of Turkey, where the small marsupial was found. Besides the marsupials, the fauna includes embrithopods (the rhino-like animals of the background, more related to elephants and sea cows), pleuraspidotheriids (primitive ungulates with a deer/dog look), a group of primates called omomyids, bats, tortoises and crocodiles. Credit: Oscar Sanisidro | University of Kansas

Deep-time evolution of animal life on islands

Lijinganthus revoluta

Ancient flower fossil points to core eudicot boom 99 million years...

Reconstruction of a living Mirarce eatoni perched on the horns of the ceratopsian dinosaur

Rare fossil bird deepens mystery of avian extinctions

Pararhabdodon isonensis

Most complete study on Europe’s greatest Hadrosaur site published

Dinosaur blood vessel with adjacent bone matrix that still contains bone cells.

A toast to the proteins in dinosaur bones

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

UNLV geologist Stephen Rowland discovered that a set of 28 footprints left behind by a reptile-like creature 310 million years ago are the oldest ever to be found in Grand Canyon National Park.

Reptile tracks oldest ever found in Grand Canyon

The skull of the holotype specimen of C. parvus (JLUM L0304-j-Zn2).

The teeth of Changchunsaurus: Rare insight into ornithopod dinosaur tooth evolution

Ostrocod

Tiny, ancient fossil shows evidence of the breath of life

Teeth of Simiolus minutus, which currently reside in the National Museum of Kenya, Nairobi, were found in the Tugen Hills of Kenya.

Tiniest ever fossil ape discovered in Kenya

The wavy appearance of the enamel of Changchunsaurus in thin section and under cross-polarized light.

Chew on this: Two new studies reveal secrets of early dinosaur...

The region where the new species of sauropod was found is unusual as it would have been a desert during that era, 110 million years ago

Paleontologists discover new sauropod species in Argentina

Giant nocturnal elephant birds are shown foraging in the ancient forests of Madagascar at night.

Giant flightless birds were nocturnal and possibly blind

An assortment of paleognath and neognath bird eggs and a fossil theropod egg (on the right).

Dinosaurs put all colored birds’ eggs in one basket, evolutionarily speaking

A 250,000-year-old Neanderthal tooth yields an unprecedented record of the seasons of birth, nursing, illness, and lead exposures over the first three years of this child’s life.

Researchers discover earliest recorded lead exposure in 250,000-year-old Neanderthal teeth

Ammonite Fossil

Paleontologists discovered six new species in the East African Rift

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