The biggest stories of the day delivered to your inbox.

If you're thinking about upgrading your current Apple Watch ... Series 9 and 10 are water resistant and swim-proof, but the Series 10 has a depth gauge rated for 6 meters and a water temperature ...

Given that the main sensor stack still lives on the rear of the Series 9, this keeps all the health and activity features that folks have come to expect from the Apple Watch. It can track your ...

During Apple’s Wonderlust event, the company announced the Apple Watch Series 9. With a few hardware changes ... and optical heart sensor with a new machine learning algorithm.