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image: Dog Origins Disputed

Dog Origins Disputed

By | December 17, 2015

A genomic study suggests that dogs diverged from wolves in Southeast Asia 33,000 years ago, contrary to reports placing their origins elsewhere on the continent.

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image: Mining the Mite-ochondrial Genome

Mining the Mite-ochondrial Genome

By | December 14, 2015

Phylogenetic analysis of DNA isolated from human hair follicle–dwelling mites shows that different lineages of the arthropods are associated with hosts with different regional ancestries.

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image: A Beast from the East

A Beast from the East

By | December 2, 2015

Researchers unearth a dog-size, horned dinosaur from eastern North America, whose features suggest evolutionary isolation from western dinos.

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image: Repositioning Ctenophores

Repositioning Ctenophores

By | December 1, 2015

A reanalysis of phylogenetic data places sponges, rather than comb jellies, back at the base of the animal tree.

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image: Pumpkins Saved By People?

Pumpkins Saved By People?

By | November 25, 2015

Domestication may have saved pumpkins, gourds, and squash as seed dispersers like the mastodon went extinct. 

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image: Farming Sped Eurasian Evolution

Farming Sped Eurasian Evolution

By | November 24, 2015

New clues from ancient DNA reveal the remarkable effect of agriculture on adaptation in Stone Age humans who lived across Europe.

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image: A Tiny Missing Link?

A Tiny Missing Link?

By | November 2, 2015

The common ancestor of all apes, including great apes and humans, may have been not-so-great in stature.

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image: Evolution of the Penis

Evolution of the Penis

By | October 30, 2015

A phallus-less reptile goes through a developmental stage with external genitalia, suggesting a common origin for the organ among amniotes.

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image: Dogs Originated in Central Asia

Dogs Originated in Central Asia

By | October 21, 2015

Man’s best friend was domesticated near Nepal and Mongolia at least 15,000 years ago, according to a genetic analysis.

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image: Life Before 4 Billion Years Ago?

Life Before 4 Billion Years Ago?

By | October 20, 2015

A new estimate of the origin of life on Earth pushes back the date by 300 million years.

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