Inside Apple's Top Secret Health and Fitness Lab for Apple Watch Development. ABC News was given exclusive access to Apple's testing facility. By ABC News. March 20, 2015, 7:48 AM. 5:11.

The $1 billion plan by Apple and unproven contractor GT Advanced Technologies to make superhard iPhone screens was troubled from the start, a rare misstep for the world’s most valuable company.

Apple recently let CNBC into one of its chip-testing labs. It's apparently the first time reporters have been invited to film video inside the space. Apple has increasingly been making its own ...

'Nightline' gets an unprecedented glimpse inside Apple's Chinese core. Feb. 20, 2012— -- "Okay." "Okay." "Okay." The voices are robot feminine and they never shut up, each chirp a surreal ...

Before your iPhone ever reaches your hands, Apple puts it through desert storms, deep freezes, and drop tests inside a secretive Irish lab. Here's a look inside.