It’s official: the troubled Surface Duo is now last-gen. Microsoft announced its successor, the Surface Duo 2, during its recent fall Surface event, capping off months of rumors and introducing the device alongside the Surface Pro 8, Surface Laptop Studio, and a...

People who get irregular pulse notifications on an Apple Watch but don’t have atrial fibrillation — the condition the feature focuses on detecting — could still have another type of problem with their heartbeat,...