After more than a decade studying California ground squirrels, Jennifer Smith felt she had a solid understanding of their ...

Then, in the summer of 2024, her students spotted something she never expected: one of the squirrels chased, killed and ate a vole, a small rodent common across the western coast of North America.

After its spotlight-stealing stroll across Yankee Stadium's outfield wall, the squirrel slipped and ran off Tracey Harrington McCoy is a celebrity news writer at PEOPLE Digital. She has been ...

She used squirrel monkeys for much of her research, subjecting them to mild but frequent electrical shocks, such as 0.75 milliamps for 30 s, repeated 20 times in 1 hour. She justified her ...

Engineers have long designed robots that crawl, swim, fly, and even slither like snakes. But no robot has ever matched the ...