LEILA FADEL, HOST:

Good morning. I'm Leila Fadel. Abby the dog went missing way back on June 9. No trace until she was spotted by some kids on a spelunking expedition to map a cave near Perryville, Mo., 500 feet underground. Abby was muddy and malnourished. But with help from another caver and a local firefighter, they made it to her side, tucked her into a duffel bag and brought her into the light. They even found her astonished and grateful owner. It's MORNING EDITION. Transcript provided by NPR, Copyright NPR.