Life
Ancient genomes suggest Africa has two elephant species
DNA analysis of the extinct woolly mammoth and mastodon and living elephant species suggests Africa has two species of elephant, not one
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Earth
Oxygen crash led to Cambrian mass extinction
News
Earth
The evolutionary burst that made Earth oxygen-rich
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Life
New genes needed for survival too
News
Life
Living dinosaurs: When did modern birds evolve?
Features
Life
Living dinosaurs: How did feathers and flight evolve?
Features
Life
Living dinosaurs: Are we sure birds are dinos?
Features
Life
Skin was the first organ to evolve
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Life
Arsenic-based bacteria point to new life forms
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Earth
Why incest among animals cuts male sexual aggression
In species where males harm their mating partners, inbreeding could produce less aggressive communities
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Earth
The primitive social network: bullying required
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Earth
Why mammals grew big 鈥� and then stopped
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Humans
In our own image: Why we treat things like people
Features
Earth
Snake fangs evolved from groovy teeth
News