Rats are common where food, water, and shelter are easy to find. Signs of rat activity in your yard include holes 2 to 4 inches in diameter, rat droppings, and partially eaten fruits and vegetables in ...

Rats can make homes unsettling. Sometimes they spoil food, sometimes they chew on clothes and books. Furthermore, they pose a risk of disease. Rats often enter our homes. No one likes rats. Their ...

"There's no way to do that," said Caroline Bragdon, a city's health department scientist and resident rat expert. Scientists can estimate the number of rats in a fixed area, like a park, by counting ...