One of Yuka's legs, illustrating the exceptional preservation of the lower part of the leg after the skin had been removed, which enabled recovery of ancient RNA molecules. Photo credit: Valeri Plotnikov. Credit: Valeri Plotnikov

World’s oldest RNA extracted from woolly mammoth

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...

Diamond

How diamonds reach the surface

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