The Ring of Fire is an enormous belt of active and dormant volcanoes that surrounds most of the Pacific Ocean. It runs from southern Chile, up the west coast of the Americas, through the islands off ...

Discover Apple’s game-changing smart ring with biometric sensors, gesture controls, and seamless ecosystem integration.

I’ve worn a fitness tracker for as long as I can remember. I started out with the good ol’ Fitbit, then eventually upgraded to an Apple Watch. I like being able to monitor how active I am throughout ...

I’m a personal trainer who's tested products for five years. I wore the Oura Rig 4 nonstop for six weeks to see if it's worth the investment. After wearing this ring all day, every day for over a ...

Oura Ring 4 users report shorter battery life. The claims come a year after its debut. Oura seems to be quickly responding to this issue. When Oura unveiled its fourth-generation smart ring last ...

Many of the world’s biggest earthquakes, volcanic eruptions and tsunamis occur along a chain of seismologically active regions that encircle the Pacific Ocean. By Victoria Kim Hundreds of millions of ...