The first pterosaurs had a sail-like tensioning system for flying with potentially cumbersome tail vanes, which they could have used for displays, a new study finds.

degus look like oversized hamsters with long tails. These round rodents are endemic to the Chilean Matorral region in South America, where they live in complex underground tunnels with as many as ...

Rats are generally larger, with robust bodies and long tails, while mice are smaller and have more slender bodies and shorter tails. Behaviorally, rats are known for their cautious nature and ...

Not many people appreciate mice. And I’ll be the first to step forward to say that some of their habits are not endearing.

While exploring how best to design robots that use tails to reorient their bodies in midair, a team of researchers at the University of Michigan and University of California San Diego found that ...