For a good night of sleep, consider getting your circadian rhythm back in sync with the sun. Here’s how to do it.

Navigating bedtime with a teenager is, in many homes, a nightly battle with a constant refrain: Get off your phone! Go to bed ...

We live in the middle of what scientists say is earth’s sixth great extinction event. Number five got the dinosaurs. Number six started some 10,000 years ago, back when human hunters and a ...

The government will freeze $2 billion in funds because the university refused to comply with its demands. Harvard leaders believed saying no was worth the risk. 7 min read Trump Threatens Harvard ...