Spruce, a loyal and spirited sled dog, balances his impressive leadership and gentle nature with a few endearing flaws, ...

Scientists have been curious about how kangaroos evolved to hop with such efficiency. To investigate that, researchers turned to a sort of evolutionary second-cousin of the kangaroo, the musky ...

It’s part of a lineage that extends back to before kangaroos evolved their distinctive hopping gait. Unlike their bigger relatives, muskies can be seen out and about during the day, foraging in ...