Species either adapt or die. This is the basis for extinction, and why many animals eventually succumb to various factors that threaten their existence. In some rare cases, however, a species responds ...

Polar bears are running out of ice and out of time, yet inside their cells something remarkable is happening. As the Arctic warms and traditional hunting grounds vanish, researchers are finding that ...

Polar bears in one of the fastest-warming parts of the Arctic are showing clear changes in how their DNA behaves, according to a new study. Researchers examined genetic activity in polar bears from ...

Justin Philip was told by everyone that Ivory his rescue dog was a poodle, but a DNA test revealed something few could ...