The latest Census Bureau figures reveal changes that Pennsylvania officials, employers and communities are watching closely.

Scientists have found the oldest known evidence of the plague, which sparked deadly outbreaks dating back about 5,500 years ago — some 200 years ...

Biologists group animals with similar traits into broad categories called orders. Despite their similarities, animal species in the same order can have very different average lifespans. One of the ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. Have you ever wondered how something became viral on social media? Or whether people in your state are ...