Understanding a major source of Minnesota moose decline

New research from a multi-disciplinary team shows where a moose spends time in the spring has the strongest connection to whether the moose becomes infected with the parasite known as brain worm.

Genetics reveal Pacific subspecies of fin whale

New genetic research has identified fin whales in the northern Pacific Ocean as a separate subspecies, reflecting a revolution in marine mammal taxonomy as scientists unravel the genetics of enormous animals otherwise too ...

Resting postures determined by animals' size

Cows always rest on their chests so that their digestion is not impaired. Rodents sometimes rest sitting down, while kangaroos sometimes lie on their backs. The larger the animal, the less often it lies down, and when it ...

Weirdly shaped mouse sperm can be used to tell species apart

Think back to health class and picture a sperm. It's got a smooth rounded head, with a long skinny tail at the end, right? As it turns out, the sperm from different species of animals have different shapes—and, as a new ...

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