The tool we've identified is called a Quina scraper. This type of stone tool is well known from archaeological sites in ...

Nearly every modern medical treatment can be traced to research funded by the National Institutes of Health. Cuts from ...

Scientists and land owners have proposed releasing wolves, bears and lynxes - but not everyone is on board with this ...

Doomscrolling before bed? A new study shows that an hour of nightly screen time raises your insomnia risk by 59 percent.