Every August, DEF CON hands its 30,000-plus attendees a custom electronic badge — part puzzle, part collectible, part platform for post-conference tinkering. This year's version, announced exclusively ...

Nanit and other start-ups want to track your children through the night — and soon, for much longer than that.

Because when you're living in one room, you've gotta be extra savvy with your setup.

Amazon Prime Day begins today! There are more deals than you could ever begin to look through on your own...so that's where we come in. We waded through the mountains of bargains for you and found ...