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...

Diamond

How diamonds reach the surface

Artist illustration of an alamosaurus. (Credit: Natalia Jagielska)

Dinosaurs were thriving when the asteroid struck

The progression of the 2021 Fagradalsfjall eruption.

Scientists just cracked a 60-million-year-old volcanic mystery

Allan Hills, 2022-2023. Credit: Julia Marks Peterson, COLDEX

Six-million-year-old ice discovered in Antarctica offers unprecedented window into a warmer...

Schematic representation of tectonic and climatic influences on organic carbon burial. Credit: Nature Communications (2025). DOI: 10.1038/s41467-025-63896-z

How tectonics and astronomical cycles shaped the Late Paleozoic climate

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