A recent study shows that marine oxygen levels were crucial to the evolution of early Paleozoic trilobite body size, ...

Palaeontologist Sarah Gabbott explains what’s so unusual about her discovery, which she named as part of the process of describing it scientifically. The fossil is about 50cm long and has 46 almost ...

For decades, scientists have debated what wiped out the dinosaurs 66 million years ago. The usual suspects? A massive ...

It lived in the immediate aftermath of the end Ordovician extinction event more ... This extinction wiped out about 85% of Earth’s species. The marine basin that Keurbos susanae inhabited ...

Why do some ancient animals become fossils while others disappear without a trace? A new study from the University of Lausanne, published in Nature Communications, reveals that part of the answer lies ...

Why do some ancient animals become fossils while others disappear without a trace? A new study from the University of ...

Scientists know of four New World crocodile species, but a new study highlights potential fifth and sixth additions to the reptilian family. The two new crocodile species are each endemic to an ...

Across Cuba, small lizards are known for their color-changing abilities, and now a new species has been identified. Irene Wright McClatchy News How can you tell two species apart? You would never ...

Snowy owls and tropical kingbirds. Across North America, three-fourths of bird species are in decline, according to a sweeping study of avian populations published Thursday, the latest sign of a ...