New research refutes one of Darwin’s hypotheses.
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Microbes may have caused Earth's biggest extinction by producing huge amounts of atmosphere-choking methane, new research suggests.
A quarter of the world's sharks and rays are at risk of extinction, according to a new assessment by the International Union for Conservation of Nature (IUCN).
In the next 10 years, the tropics will undergo "unprecedented" climate change effects, long before the Arctic sees big shifts, according to an analysis of global warming trends published today.
A new European lineage of woolly mammoths has been discovered, broadening researchers' understanding of this enigmatic paleofauna.
The first Polynesian settlers caused nearly 1,000 flightless birds like the dodo to go extinct, new research suggests