Tight hip flexors, especially a deep muscle called the psoas, can silently stress your spine. Here's why this muscle deserves more attention—and how to strengthen it. Lower back pain is often ...

The ubiquity of PayPal checkout means you'll have many chances to snag a high rewards rate. Non-PayPal purchases, though, earn a less-spectacular rate, and the card lacks a few key features. Many ...

The eastern U.S. is about to be inundated with trillions of Brood XIV periodical cicadas—which were first documented by the pilgrims in 1634. Periodical cicadas have red eyes and emerge from the ...