If you're curious about how Sesame Street has evolved, we've compiled a list of its most popular characters—ones you're sure to spot the next time you sit down to watch with your kids.

Explore Jim Henson's puppets and Muppets in the Smithsonian's collections along with ... Sam and Friends National Museum of American History Rosita puppet used on Sesame Street National Museum of ...

Now, the program is breaking new ground by introducing a character with autism, a Muppet named Julia. While Julia has appeared in an online storybook from Sesame Street, this will be the first ...

Elmo is turning 3-and-a-half, his age forever and always, since he joined "Sesame Street" in 1980. Of late, he's become a social media sage.

Appearing on “Sesame Street”? That’s the best idea. The 55th season of the acclaimed family program features a star-studded lineup of ...