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Evan Saitta, the paper’s lead author, with an emperor penguin in the Field Museum’s bird collections. Photographer(s): Kate Golembiewski (c) Field Museum

When birds lose the ability to fly, their bodies change faster...

A close-up of two tiny, whitefly puparia.

Insect fossil find ‘extremely rare’

Geobiologist Shuhai Xiao (at left) and colleague in the field in Canada. Photo courtesy of Danielle Fitzgerald.

Chart of life extended by nearly 1.5 billion years

Fluorescent and scanning electron microscopy (SEM) of fossil and modern juniper leaves. (a, b) Fluorescent microscope imagery of fossil juniper branchlet (LACMHC 1469B). (b) Close-up of leaf scale with smooth leaf margins and acute-slightly obtuse apical shape. (c) SEM image of entire fossil leaf scale from adaxial (dorsal) perspective. (d–g) Close-up imagery of abaxial (ventral) side of modern (d) J. blancoi, (e) J. scopulorum, (f) J. virginiana, and (g) fossil juniper leaf (P23-47594).

Researchers identify a mysterious fossil seed to reveal new chapters in...

UV photography of Pterodactylus. Ultraviolet light reveals remarkable details of the fossil invisible under normal lighting. This famous specimen showcases preserved soft tissues, including the delicate wing membranes, which fluoresce vividly under UV illumination.

A festive flying reptile family reunion 150 million years in the...

Results of the multimodal analysis conducted on microfossils mounted on ITO glass. Optical observation, electron microscopy, and secondary ion mass spectrometry were performed on the same sample. The analysis successfully detected phosphorus and molybdenum aligned with the microfossil's membrane structure for the first time. ©Tohoku University

Unveiling ancient life: New method sheds light on early cellular and...

Robsonomyia baltica sp. nov. (NHMD-300551): (A) male (holotype No NHMD-300551a); (B) amber piece with position of male; (C) female (paratype No NHMD-300551b); (D) female (paratype No NHMD-300551c); (E) amber piece with position of females. Credit: Scientific Reports (2024). DOI: 10.1038/s41598-024-59448-y

Fungus gnat entombed in a 40-million-year-old piece of amber is a...

Aaron Bufe investigates the weathering of rocks. | © C. Trepmann

Rock weathering and climate: Low-relief mountain ranges are largest carbon sinks

Grand Prismatic Spring in Yellowstone National Park, seen here from an aerial photo, provides a modern-day glimpse into the types of environments where sulfites may have accumulated and possibly played a role in kick-starting the earliest life on Earth.

Sulfur and the origin of life

Rocks made of barium sulphate (known as barite rocks) from the from the Pilbara Craton in Western Australia. Credit: Gerhard Hundertmark

High resolution techniques reveal clues in 3.5 billion-year-old biomass

Preservation of corneous β-proteins in Mesozoic feathers Photographs of fossil specimens used in this study.

Dinosaur feathers reveal traces of ancient proteins

Three-eyed distant relative of insects. Courtesy of Professor Yu Liu, Yunnan University

Three-eyed distant relative of insects and crustaceans reveals amazing detail of...

A 3D Visualisation of Eriptychius americanus.

Prehistoric fish fills 100 million year gap in evolution of the...

A gigantic, ancient crocodylomorph species that was recently discovered grew slower than other large reptiles of its day, such as dinosaurs.

Crocks’ ancestors grew old sloooowly

Earth

Drops of seawater contain traces of an ancient world

Fossilized poop, called coprolites, collected in Nong Yakong village, Chaiyaphum Province, Thailand. Coprolites are an important source for studying ancient parasites. Nonsrirach et al. under CC-BY 4.0

Fossil Poop “feces” infested with parasites from over 200 million years...

Reconstruction of Hupehsuchus about to engulf a shoal of shrimps. Artwork by Shunyi Shu, Photo Copyright © Long Cheng, Wuhan Center of China Geological Survey.

Whale-like filter-feeding discovered in prehistoric marine reptile

The fossilized cervical vertebra and overlaying osteoderms of the new archosaur species Mambachiton fiandohana. © Nesbitt et al.

New archosaur species shows that precursor of dinosaurs and pterosaurs was...

Artistic reconstruction of Burgessomedusa by Christian McCall. © Christian McCall

Burgessomedusa phasmiformis.: Oldest known species of swimming jellyfish identified

Mesozoic mural depicting different ocean species that have evolved through time. [Credit: Smithsonian Institution]

Scientists discover 36-million-year geological cycle that drives biodiversity

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