Video: Nightline (05.04.10)

Isolated Amazon Tribe Makes 1st Contact with Outside World

Video captures the first meeting between the indigenous tribe’s people and a settled community of villagers.

YouTube Star Timothy DeLaGhetto Pays Off Parents' Home

Rapper, comedian also known as Traphik surprises his parents with a big check.

Americans Fighting Deadly Ebola Virus Coming Home to the US

Worldwide precautions being taken to prevent the spread of the deadly virus.

Health Officials Concerned Over Spread of Ebola Outbreak

U.S. aid groups now evacuating staff from Western Africa amid growing fears about the deadly virus.

Amazon Tribe Encounters Outside World

Tribe living deep in the rainforest lived removed from modern civilization.

Survivor's Story: How I Lived Through Ebola

Tewa Tamba says she believed in her mind that she would survive.

Two American Health Workers Contract Ebola Virus

Dr. Kent Brantly and Nancy Writebol are now isolated and receiving treatment for this deadly outbreak.

Hammerhead Shark Gets Uncomfortably Close to Swimmers

Dan Flynn recorded video when a 10-foot hammerhead swam right at beach-goers, before turning back, in Florida.

Drew Barrymore's Half Sister Found Dead

Jessica Barrymore's body was discovered in a parked car in National City, California.

'Bachelorette' Stars Andi, Josh on Life After the Final Rose

The happy couple talks about the show’s finale and what it was like finding love on TV.

Israel Targets Hamas Officials With Airstrikes

More than 200 people have died in Israel-Gaza conflict.

Protecting the Lost Tribe

Isolated Brazilian tribe exposed to world.

Does That Crosswalk Button Actually Work?

ABC News' Ryan Owens lets Texas residents in on a secret about pushing the button to cross the street.

'Bachelorette' Contestant Nick Viall: 'I Just Need to Move Forward'

Nick Viall was left heartbroken after Andi Dorfman picked former pro-athlete Josh Murray.

Investigators Hunt for 14-Year-Old Girl's Killer

Police believe a man on a motorcycle is responsible for the killing of April Millsap.