Your watch already tracks heart rate, but turning on this view helps you adjust your workouts in real time. Here's how to do it.

When it comes to actually executing a Zone 2 workout, many of us find it challenging to keep our heart rate low enough. It’s ...

A harder workout will give you a higher training load number. For example, a long easy run will translate to a higher ...

We've rounded up the lesser-known tips and tricks that all Apple Watch wearers should know to get the most out of their ...

Series 10 has the largest display of any Apple Watch to date, even bigger than the first Ultra. With up to 30 percent more ...

The Series 10 offers a design upgrade, adds one big new health feature – and sets the tone for the next 10 years of Apple ...

Premium smartwatches enhance convenience through access to apps such as music players and navigation aids. They are ...

I quickly amended the effort score to 8 (one shy of the all-out zone ... because heart rate tends to be higher on average ...

Prime Day ~fall edition~ is nearly here, and Fitbit is already getting in on the action. While not many models are on sale ...

Sleep-tracking has boomed in popularity worldwide, giving researchers access to millions of hours of sleep data. When a ...