If gravity reversed on the sun, McCluskey said he’d be scared because it is the only thing keeping the sun together. Nuclear fusion, inside the sun, pushes outward. Without gravity, the sun would ...

We have tested some of the best running watches on the market — whether you are looking for something on a budget or a premium GPS smartwatch, we have a fitness tracker for you.

Don’t be baffled by the questions; instead, try to clarify in your own mind the exact events that have brought you here. It’s not always easy. How long will I be in here for?

Songs aren’t ranked from best to worst, but put together as a playlist for your listening pleasure. But if you want to hit shuffle on the Spotify playlist and ignore my careful sequencing, be my guest ...

Your complete playbook to a longer, stronger life—featuring professional workout advice, celebrity training secrets, nutrition tips, and more.