There's also another reason experts caution against them: their tracking limitations.

But one cat, who lives in California, clearly knows his way around more than most, and was able to travel almost 1,000 miles ...

In August, the Anguianos received amazing news when a microchip company messaged them that their cat was at the Society for ...

You just finished a 5K race, but your watch says you ran 3.22 miles, not 3.1. Was it really a 5K? Or maybe you finished your ...

Second Chance Animal Sanctuaries is hosting its annual low-cost vaccine and microchip clinic for dogs and cats next weekend ...

How the missing cat made it from Wyoming to California, or even know the right direction toward home, remains a mystery.

Chris Miller is a professor at Tufts University, and the author of "Chip War: The Fight For The World's Most Critical Technology." Welcome to the program. CHRIS MILLER: Thank you for having me. RASCOE ...

Chris Miller is a professor at Tufts University, and the author of "Chip War: The Fight For The World's Most Critical Technology." Welcome to the program. CHRIS MILLER: Thank you for having me.