How is your core strength? It's an essential part of staying healthy, so health and fitness expert Beth Oliver joined us to take us through a short test and show us how to improve it. Building a ...

Believe it or not, six-pack abs aren't a dead giveaway that you've got a super-strong core. “The truth is, if you get lean enough you will have a great-looking midsection,” says Matthew Uohara, ...

See Correction/Clarification at the end of this article. Student scores rose on Common Core tests, but focus might remain on number of students who didn't take the test. This year's release of ...