A gene for new species is discovered

A University of Utah-led study identified a long-sought "hybrid inviability gene" responsible for dead or infertile offspring when two species of fruit flies mate with each other. The discovery sheds light on the genetic ...

Researchers map the epic evolution of a 'ring species'

The Greenish Warbler, long considered an idealized example of a single species that diverged into two as it expanded its range, has a much more checkered family history than biologists previously realized.

Researchers confirm that narwhals and belugas can interbreed

A team of University of Copenhagen researchers has compiled the first and only evidence that narwhals and beluga whales can breed successfully. DNA and stable isotope analysis of an anomalous skull from the Natural History ...

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