About 1,500 years ago, entire families were sacrificed to honor local royalty in what is now South Korea, a new genetic study ...

People sell wild animals for food and for traditional medicine — legally and illegally. A study looks at the risks of ...

Conserving the dwindling jaguar population in Brazil’s Atlantic Forest won’t be possible without protecting its prey. That’s ...

Generally, the trends in births to unauthorized immigrants follow the growth and decline of the unauthorized immigrant ...

Advocates for ending birthright citizenship point to "birth tourism" schemes to argue that the legal principle is ripe for ...

For centuries, European royal families arranged marriages within their own bloodlines to preserve power, alliances, and what they believed to be “pure” heritage. Over 16 generations, this strategy ...

While genomic selection allows for more rapid genetic improvement, it also appears to be accelerating the level of inbreeding in Holsteins. Some dairy geneticists had predicted this would occur. But ...

I appreciate your excellent and educational work. I’m just starting out in farming, and I’m learning a lot. I appreciate the topics that have already been covered in this column; it has been a great ...

Since the 2000s, photos of Kenny the “tiger with Down syndrome” have made him an online sensation. Countless people have been captivated by his story, in which “the world’s ugliest tiger” was rescued ...

Inbreeding occurs when animals mate with relatives. It can result in a phenomenon called ‘inbreeding depression’ where the resulting offspring have abnormalities, health issues, and impaired fertility ...