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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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image: Buzzed Honeybees

Buzzed Honeybees

By | October 20, 2015

Caffeinated nectar makes bees more loyal to a food source, even when foraging there is suboptimal.

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image: One-Third of Cactus Species Threatened

One-Third of Cactus Species Threatened

By | October 6, 2015

A global assessment of declining cacti populations places responsibility on increasing human activities.

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image: Polar Dino Discovered

Polar Dino Discovered

By | September 28, 2015

Researchers working in Alaska, above the Arctic Circle, have unearthed the northernmost species of dinosaur ever found.

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image: Tree of Life v1.0

Tree of Life v1.0

By | September 22, 2015

Researchers map 2.3 million species in a single phylogeny. 

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image: Butterflies in Peril

Butterflies in Peril

By | August 12, 2015

Several recent studies point to serious—and mysterious—declines in butterfly numbers across the globe.

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image: Yeast Genome Doubling

Yeast Genome Doubling

By | August 10, 2015

The results of a computational genetic analysis suggest Saccharomyces cerevisiae doubled its genome through species hybridization.

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image: Investigating the Four-legged Snake Fossil

Investigating the Four-legged Snake Fossil

By | August 5, 2015

Brazilian officials are trying to determine whether the transformational fossil find was exported illegally from the country.

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