Fossilized feces from the Pleistocene epoch have divulged the mitochondrial DNA of a woolly rhinoceros, whose genome had never previously been assembled. The ancient poop was not excreted by an ...

When John Hammond cooked up the idea for Jurassic Park, he needed the skills of the world’s brightest geneticists and a little help from the fossil record. The earliest additions to the fledgling park ...

The cave hyena, named Crocuta crocuta spelaea, lived for about 1 million years in Eurasia, before dying out some 10,000 to 30,000 years ago. Not only were they about 25 percent larger than modern ...

Scientists reconstructed the mitochondrial genome of a European Woolly Rhinoceros for the first time. Extracting DNA from fossilized hyena feces was critical to the process. Using the DNA, the team ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...

The animals help redistribute calcium and phosphorous by crunching bones. This is an Inside Science story. The crushing jaws of hyenas may act as a kind of nutrient blender, grinding out calcium and ...