The ethics of resurrecting extinct species

( —At some point, scientists may be able to bring back extinct animals, and perhaps early humans, raising questions of ethics and environmental disruption.

Dog genetic studies reveal why Shar-Peis are wrinkled

( -- There are over 400 genetically different dog breeds, with massive variations in size, colors, fur type, temperament, and so on, and scientists have wondered exactly what changes in the genes have been brought ...

Genomic analysis reveals true origin of South America's canids

South America has more canid species than any place on Earth, and a surprising new UCLA-led genomic analysis shows that all these doglike animals evolved from a single species that entered the continent just 3.5 million to ...

South Africa revives 'extinct' zebra subspecies

In a spectacular valley less than two hours' drive north of Cape Town, a small herd of animals provides the chance to travel back in time over more than a century.

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