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...

Monazite crystals from samples associate professor Sean Regan gathered in the Coast Mountains near Juneau. Images courtesy of Sean Regan

Denali Fault tore apart ancient joining of two landmasses

Representative image: Hand holding a rock

Prehistoric rock in Japan reveals clues to major ocean anoxic event

Earth

New simulation method sharpens our view into Earth’s interior

Gold nugget found in the field. Credit: University of Adelaide

Unlocking the journey of gold through magmatic fluids

volcanoes

Massive volcanic eruptions did not cause the extinction of dinosaurs

Discovered teeth of (a) spinosaur, (b) tyrannosaur, (c) dromaeosaur, (d) possible tyrannosaur, (e) indeterminate tyrannoraptoran - the group containing tyrannosaurs and dromaeosaurs (Velociraptor and kin). Credit Barker et al (2024)

Tyrannosaur teeth discovered in Bexhill-on-Sea, England

The researchers have chosen to understand the biology of early dinosaurs based on their dietary preferences.

Fossil dung reveals clues to dinosaur success story

An imposing fully-grown male Palaeoloxodon turkmenicus wandering the Kashmir Valley, 400 thousand years ago, towering over a herd of Central Asian red deer traversing by. In the distance, a small band of prehistoric humans set up campfire to cook their meal. Credit: Chen Yu, University of Helsinki

Giant prehistoric elephant skull from India belongs to mysterious extinct species

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