Outdoor food sources also become scarce after heavy rain. Gardens flood, insects disappear, and the natural food rats rely on becomes harder to find. This drives rats closer to homes where garbage, ...

Multnomah County rat inspections have fallen by more than half since 2019, and county rat experts don’t know why. “Yeah, that’s a mystery,” said Christopher Roberts, a Multnomah County Public Health ...

For many years, scientists have been extracting DNA from the bones of ancient humans, humanoids and animals to paint a picture of evolution and species movement. Despite what’s been portrayed in the ...