You know that feeling you get at work every day around 1 p.m.? That feeling that comes after a morning dealing with cranky ...

Hibernation is one of nature’s coolest adaptations, and it’s part of the survival playbook for a wide range of creatures, from primates such as lemurs to a host of reptiles, birds, and insects. The ...

Nature has had to come up with some crazy ways to survive winter. None are weirder than hibernation. Nature has had to come up with some crazy ways to survive harsh winters. But none are weirder than ...

Until very recently, everything we knew about bear hibernation could be fairly well captured in a single sentence: We’re pretty sure they do it. They disappear into dens for months at a time, they ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Ready for 'Fat Bear Week?' Park ranger Felicia Jimenez and wildlife biologist Dr. Michael Saxon join WIRED to talk to us about all things brown bear bulk, from how they fish for tens of thousands of ...