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Great white sharks split into 3 populations 200,000 years ago and never mixed again — except for one hybrid found in the Bermuda TriangleScientists found three distinct great-white-shark populations that congregate in different oceans and do not interbreed. Their separation may have implications for conservation.
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Nearly half a million 'invasive' owls, including their hybrid offspring, to be killed by USThe U.S. Fish and Wildlife Service has released a final proposal to kill around 450,000 invasive barred owls in the Northwest, in an attempt to save two native species.
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6 species that scientists got wrongThe definition of a species is surprisingly unsettled, and the classifications of some of the best-known animals have come under scrutiny.
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What defines a species? Inside the fierce debate that's rocking biology to its coreFeature The question of what defines a species has vexed scientists across the ages, particularly in conservation, where decisions require a firm understanding of biodiversity.
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Mystery 'random event' killed off Earth's last woolly mammoths in Siberia, study claimsWoolly mammoths survived on Wrangel Island for 6,000 years after their mainland cousins had perished. A new genomic study has revealed that this final population likely died from a sudden, mysterious event.
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Japan plans to commercially hunt vulnerable fin whales, enraging conservationistsJapan has announced plans to add fin whales — the second-largest animal on Earth — to its list of commercial whaling species, which currently includes Bryde's, sei and minke whales.
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'Most of Gorongosa's large animals had died': How an African paradise for nature recovered from the ravages of war"Where once there had been more than two thousand elephants, now there were fewer than two hundred."
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Woolly mammoth de-extinction inches closer after elephant stem cell breakthroughScientists at the company Colossal Biosciences have derived induced pluripotent stem cells from elephants, which they say could boost efforts to resurrect woolly mammoths.
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'Living fossil' tree frozen in time for 66 million years being planted in secret locationsWollemi pines — thought to have gone extinct 2 million years ago — were rediscovered in 1994. Scientists are now hoping to reintroduce the species in the wild in a conservation effort that could take centuries.
