American Ballet Theater Dances in Cuba

Scientists Engineer Lab-Grown Vaginas

Four women with a genetic condition took part in a ground-breaking study.

Searching the Sunken Ferry Off South Korea

Underwater video of divers struggling to reach ship's cafeteria where it's believed many were trapped.

Stem Cells Shine Where Other Transplant Drugs Fail

Dr. Jeffrey Auletta says stem cells should become a staple in organ transplants.

Wyoming Landslide: Slow Moving Disaster

As an ever widening fissure creeps upward, police evacuate homes and business that could be swept away.

South Korea Ferry Captain Under Arrest

Rescuers pump air into the boat still hoping for survivors, captain addresses why he told passengers to "stay put."

Instant Index: Robin Williams Reprising His Role in "Mrs. Doubtfire" Sequel

Diane Sawyer reveals the stories people have been buzzing about all week.

The Long and Complicated Task of Finding Flight 370

Missing Malaysia Flight 370 may be more difficult to locate without pings in water that may be 15,000 feet deep.

Truck Crashes Into Store, Pinning Woman Buying Lotto Tickets to the Wall

Surveillance video shows the woman getting caught in the middle of the crash, but she only suffered minor injuries.

Woman with Double Organ Transplant Bonds With Woman With Same Condition

Nancy Galligo reached out to Jessica Danielson after seeing a 2012 "Nightline" story.

South Korea Ferry: Hope Dwindling for Families, Friends

Loved ones wait for news three days after a ferry loaded with high school students sank.

Human Lung Grown in Pet Shop Fish Tank

Researchers in Texas have successfully grown human lungs using stem cells for other lungs.

South Korean Ferry Captain a Wanted Man

The search for victims continues as an arrest warrant is issued for the captain who abandoned ship.

Big Baby Born in Delaware

Waldo James Mysterious Dwyer came into the world at a whopping 13 lbs and 8 1/2 ounces.

Three Little Boys Escape Car Jacking and Are Back With Their Family

Two 7-year-olds kicked the carjacker and beat him with a toy snake until he let them go.

Baby Can't Open Mouth in Medical Mystery

Video shows doctors assessing Wyatt Scott's ability to swallow.