Scientists have a few ideas about how ancient wolves evolved into dogs. We know that some wolves gained the ability to live near humans without fear, which gave them a better chance to survive. Over time, humans found them useful and began to breed them, leading to the pets we know today.
This video from our Dogs: A Science Tail exhibition explores how modern dogs came to be. For more fun science videos, VR tours and other cool stuff, check out californiasciencecenter.org/beyond