Most spiders pose very little danger to humans, including the notorious noble false widow (Steatoda nobilis). But the ...

The Mt. Lyell shrew, a mouse-like mammal that lives in the central Sierra Nevada, has never been photographed in the 100 years since it was discovered. It took three industrious college students to ...

Common shrews are one of only a handful of mammals known to flexibly shrink and regrow their brains. This rare seasonal cycle, known as Dehnel’s phenomenon, has puzzled scientists for decades. How can ...

For more than 100 years, scientists have known about a shrew living in the mountains around Yosemite National Park. California designated it a "species of special concern," but nobody had seen it. For ...