Meet Chaser: The border collie who knew over 1,000 words and became the world's smartest dog

Chaser amazed researchers with the ‘capabilities of a two-year-old,' understanding words and simple sentences like a toddler.

A small dog was stuck on a train track beam. Watch her rescue.

The dog, assumed to be a 2-year-old Shih Tzu mix, was named Dottie and was later transferred to an animal rescue for adoption ...