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Was Alexander the Great eaten by sharks? Inside the wild theories for what happened to the iconic ruler's body.Feature The remains of Alexander the Great may lie under the streets of Alexandria, they may have been "eaten by a shark," or they may be somewhere else entirely. But one thing is certain: Archaeologists don't agree.
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Bear hair and fish weirs: Meet the Indigenous people combining modern science with ancestral principles to protect the landFeature The Heiltsuk of British Columbia are using a mix of traditional principles and modern implementation to protect salmon and bears in their territory.
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Did we kill the Neanderthals? New research may finally answer an age-old question.Feature A complex picture of how Neanderthals died out, and the role that modern humans played in their disappearance, is emerging.
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Drinking wastewater, building an island from scratch and creating an urban forest: 3 bold ways cities are already adapting to climate changeFeature Climate change will fundamentally challenge the world's urban centers. Three cities — San Diego, Milan and Jakarta — offer lessons for how to adapt to a warming planet.
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'Closer than people think': Woolly mammoth 'de-extinction' is nearing reality — and we have no idea what happens nextFeature Scientists are getting very close to bringing a few iconic species, like woolly mammoths and dodos, back from extinction. That may not be a good thing.
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Scientists have found a secret 'switch' that lets bacteria resist antibiotics — and it's been evading lab tests for decadesFeature Microbiologists are on a quest to unravel a rare phenomenon involved in antibiotic resistance and how it may change our understanding of infections.
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'Brain-eating' amoebas kill nearly 100% of victims. Could new treatments change that?Feature Doctors are pulling out new techniques and drugs in an effort to cure devastating brain infections.
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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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Planet Nine: Is the search for this elusive world nearly over?Feature Astronomers have been scouring the outer solar system for signs of a hypothetical ninth planet for almost a decade, without success. However, we may finally be on the cusp of finding it, experts say.
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