Brown rats are the undisputed winners of the real rat race.New research suggests that they crawled off ships arriving in North America earlier than previously thought and out-competed rodent ...

After hours: December 10 at 6:50:46 PM EST ...

The rat is a medium-sized rodent from the genus Rattus. Rattus norvegicus (brown rat) is a model vertebrate reared in the laboratory for studying subjects such as genetics, physiology, disease and ...

The breathtaking encounter was captured on camera on the opening day of gun season on Saturday near the Illinois border. David Hookstead said his brother-in-law witnessed the "unbelievably cool moment ...

Then, when they separated, I saw something quite unusual: An albino squirrel. The odds of an albino squirrel being born are speculated to be 1 in 100,000. And the odds of one living to adulthood ...

Generally, rats are larger than mice, although specific sizes can vary by species. For instance, brown rats (Norway rats) are relatively large, with bodies measuring between 7 to 10 inches (17.78 ...

We crafted our first rodent car from a plastic cereal container. After trial and error, my colleagues and I found that rats could learn to drive forward by grasping a small wire that acted like a ...

So, instead, he resorted to building a ¼-acre, fenced, 10,000-square-foot pen for his rat colony behind his Towson home. He ...