In some ways, Frederick Law Olmsted made Ashima Shiraishi a climber. She was 6 when she first tried to scale Rat Rock, a long, low outcropping of Manhattan schist in Central Park, just north of ...

Rat populations in several major cities have soared "significantly" between 2011 to 2022, with San Francisco, Toronto and New York and seeing the greatest rise.

Rats have made the various aviaries at Singapore's only bird park their home and have been running amok in the bird ...

Simmering urban temperatures are bad for humans. It's another story for rats, according to new research -- especially in ...