The model focused on “palaeogeographic context,” meaning the ancient layout of coasts, islands, and seaways. It tested whether coastline orientation and coastline shape predicted extinctions over deep ...

A wave of new research is forcing paleontologists to reconsider a basic question about life on Earth: when did the first mass ...

The first sea organisms suddenly vanished 550 million years ago, revealing what may be the first major mass extinction - The Kotlin Crisis.

Once-threatened koala populations in parts of Australia are showing surprising signs of genomic recovery, according to a ...

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More than 500 million years before humans walked the Earth, a catastrophic extinction event wiped out vast numbers of early animal species. Now, fossils pulled from a single quarry in southern China ...

Scientists call the phenomenon “evolutionary rescue” — when a species’ genetic diversity allows it to survive amid extreme threats.

A new study published in Science is challenging long-held assumptions about how we measure genetic risk in endangered species. Researchers analyzed whole genomes from hundreds of koalas, finding that ...

Partula snails all but vanished from Polynesia after the arrival of a carnivorous foreign snail. But a global alliance of ...

For over 30 years, the toys of the Toy Story franchise have repeatedly found themselves nearly abandoned, lost, or destroyed. The first full trailer for Pixar's Toy Story 5 has arrived to remind us of ...

Smithsonian researcher Sarah Johnson studies bison specimens to understand how the species’s genetic diversity changed after its decline ...

A limestone quarry in Hunan province, China, has yielded more than 150 species dating back approximately 512 million years — 91 of which have never been documented before — reshaping scientific ...