Ice shell thickness reveals water temperature on ocean worlds

Decades before any probe dips a toe—and thermometer—into the waters of distant ocean worlds, Cornell astrobiologists have devised a novel way to determine ocean temperatures based on the thickness of their ice shells, ...

Austria's oldest preserved dyes detected in Miocene snail shells

Pigments in fossil snail shells from Austria dating back 12 million years are the oldest known preserved dyes from the polyene group, as scientists from the Natural History Museum Vienna and the University of Göttingen have ...

Mysterious pearl shells unearthed in French Polynesia

What was everyday life like for French Polynesians in the 19th century? An archaeology team co-led by the University of Sydney's Associate Professor James Flexner sought to find out during fieldwork in the Îles Gambier (Mangareva ...

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