Islands are biodiversity hotspots. They only make up 5 percent of the world’s land mass, but they are home to 20 percent of ...

In the Andes Mountains of northern Peru, a long-tailed mammal with a “facial mask” moved through the undergrowth. Suddenly, ...

"But the true hybrid mice were much larger than either parental species. They had completely different growth and metabolic patterns." These physical and physiological differences suggest a ...

We were trying to learn how certain animals lost their regeneration capacity during evolution and then put back the ...

Teams of mountaineering mice are helping advance understanding into how evolutionary adaptation to localized conditions can enable a single species to thrive across diverse environments. In a study ...

During their expedition to the Mindoro forest from 2013 to 2017, field biologists led by Filipino scientist Dr. Danilo Balete ...

The findings of a new study "clearly show that interfering with the environment has a detectable effect on wildlife," a ...

Colossal Biosciences, which aims to "de-extinct" woolly mammoths through genetic modification, have taken a meaningful step toward achieving its goal — creating an entirely new species called ...

The first mice to be created from two fathers, a phenomenon known as androgenesis, have now produced healthy offspring for ...

A new book offers a valuable discussion of the double bind in which many researchers and lab technicians find themselves: having to care for animals who will then be killed.

In general, evolution is a long, slow process of tiny changes passed down over generations, resulting in new adaptations and ...