To create mouse-rat "chimeras," researchers injected rat stem cells into mouse embryos that lacked some genes for brain development. Creative Touch Imaging Ltd. / NurPhoto via Getty Images Scientists ...

Why do mice have tails? The answer to this is not as simple as you might think. New research from the Okinawa Institute of Science and Technology (OIST) has shown that there's more to the humble mouse ...

When it comes to rodent bites, there’s good news and bad news. The good news is that bites are rare; however, the bad news is that they are serious. A bite from a mouse or rat can transmit a variety ...