There's about a three feet difference in size between the world's tallest and smallest dogs, according to Guinness World ...

Size differences didn't cause any issues when the world's tallest and smallest dogs met up for a playdate last month.

Pearl F. Semler, a 4-year-old Chihuahua from Florida, is only 3.59 inches tall, making her the world’s shortest dog. Reginald ...

A Great Dane and a Chihuahua with a 3-foot height difference became unlikely friends when Guinness World Records arranged a ...

Reggie, a 7-year-old Great Dane who stands at a staggering 3 feet 4 inches, and Pearl, a 4-year-old Chihuahua who measures in ...

The Guinness World Record holders of tallest and smallest living dog spent two days together in Idaho. Here's what happened.

Oluwatobi Oyinlola, a Nigerian innovator, has developed the world’s smallest global positioning system (GPS) tracking device ...

Reggie, a 7-year-old Great Dane from Idaho, and Pearl, a 4-year-old Chihuahua from Florida, put their (size) differences ...

The current Guinness World Record holders for the world's tallest dog and the world's smallest dog met in person last month, the organization said on its website. Reginald, who goes by Reggie ...