rats

Archaeologists have uncovered fossils of the largest known rats in existence—ten times the size of modern rats.

Some New Yorkers have found a natural way to combat the disease-laden rodents. Instead of rat poison, they let loose a pack of furry, yelping terriers into New York City alleyways.

Some rats exposed to the radiation astronauts would face on long deep-space missions develop lapses in attention and slowed reaction times, even when the exposure is extremely low, researchers say.

Mind meld rats: The brains of two rats—one in Brazil and one in the U.S.—were linked together, according to a new paper.