Fitbit's low-profile Alta tracker is up for preorders
The Alta will retail for $130 when it hits stores in March
Your fitness tracker probably has security issues
Hackers could theoretically track you or manipulate your health data.
Flexible sweat sensors monitor fluids while you exercise
Future wearables might track a lot more than your heart rate or step count.
Consumer Reports backs Fitbit accuracy despite lawsuit
Tougher tests suggest the heart rate data is trustworthy.
How tech did (and didn't) help the Engadget staff lose weight
Engadget editors competed against one another in a weight-loss challenge. Here's how it turned out.
Twitter's former CEO is working on a fitness platform
Dick Costolo is also backing other startups at the same time.
Samsung's new fitness tracker looks like a sporty Gear S2
Samsung's wearable could come with a second wearable
Google search cards help you learn yoga
Your smartphone can teach you basic poses.
Fitbit faces class-action lawsuit over faulty heart monitoring
Plaintiffs claim Fitbit heart monitors report 'dangerously low' numbers.