Genetic studies show there’s still a lot to learn about cross-species mating in the Arctic. ANIMALS Pizzlies, grolars, and narlugas: Why we may soon see more Arctic hybrids ...

Researchers at the Gray Faculty of Medical and Health Sciences at Tel Aviv University have developed a model that accurately ...

Ligers, zorses, and pizzlies: How animal hybrids happen. Interbreeding between animals of different lineages is widespread in nature—and may reveal some of the mysteries of evolution.