Scientists say they’ve confirmed Earth’s inner core has been slowing down. Here’s what it could mean — and why the topic has been the subject of fierce debate.

Pilates has become the go-to workout for building functional strength and flexibility while being gentle on your joints. In particular, " Core engagement and strengthening are fundamental parts of ...

Sometimes a "-core" can be hyper-specific, relating to a particular celebrity versus a more general vibe. A "Harry Styles-core" aesthetic might include cherries, pearls and Pleasing merchandise.