This phenomenon provides valuable insight into climate change and its impact on evolution. There are exceptions to Bergmann’s rule, such as small burrowing animals that can change their microclimates ...

A new study calls into question Bergmann's rule, an 1800s-era scientific principle stating that animals in high-latitude, cooler climates tend to be larger than close relatives living in warmer ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Dinosaurs have thrown into question everything we thought we knew about ...

Does evolution follow certain rules? Can these rules be predicted? Southeast Asia’s tree shrews break multiple rules when it comes to body size variation – with an unexpected twist – according to ...

If there is one thing any biologist will tell you, it’s that there are exceptions to every rule. Recent research out of the University of Alaska Fairbanks challenges a nearly 200-year-old idea known ...

Nanuqsaurus, standing in the background, and pachyrhinosaurus, skull in the foreground, were among the dinosaur species included in a new study led by scientists at the University of Alaska Fairbanks ...

Have you ever wondered why moose in Alaska are larger than their southern relatives? Have you considered why many Arctic mammals appear bulkier than species living closer to the equator? There's a ...

The Northern Treeshrew, a small, bushy-tailed mammal native to South and Southeast Asia, defies two of the most widely tested ecological "rules" of body size variation within species, according to a ...

The Northern Treeshrew, a small, bushy-tailed mammal native to South and Southeast Asia, defies two of the most widely tested ecological “rules” of body size variation within species, according to a ...