Scientists have transplanted human brain cells into the brains of baby rats, where the cells grew and formed connections. It’s part of an effort to better study human brain development and diseases ...

Scientists have transplanted human brain cells into the brains of baby rats, where the cells grew and formed connections, according to new research. It's part of an effort to better study human brain ...

TUCSON, Ariz. (KGUN) — The Humane Society of Southern Arizona (HSSA) recently coordinated a substantial rescue effort involving 158 baby rats discovered behind a Marana grocery store. The rescue ...

It’s never a good time for a rodent infestation. But now? By Dina Gachman I was splayed out on the brown couch, eating my daily (OK, twice daily) mint chocolate chip Popsicle, imagining his birth. I ...

This story is a follow-up to our original coverage: Rats! Humane Society looking to adopt out pet rats found in Marana TUCSON, Ari. (KGUN) — The Humane Society of Southern Arizona is hosting a special ...

WASHINGTON (AP) — Rat infestation in many world cities appears to be soaring, especially in Washington, and a new study blames warming temperatures, urbanization and other human actions. A ...