"I can’t leave her. I was like, 'I have to help her,” Kaylee Montgomery said.

How a famous Brooklyn pizzeria owner used social media to help find a kidney donor for a lifesaving transplant.

Sophia Park passed the California bar exam on Nov. 8, 2024, at the age of 17.

"GMA" shares the story of a lifesaving connection between two men brought together by a popular Brooklyn pizzeria, which helped one man find a life-saving kidney transplant.

Best-selling author Abby Jimenez called her high school creative writing teacher, Tim House, after 27 years to thank him for his impact on her writing career.

Robert Montgomery filmed the moment his daughter Kaylee sacrificed an attempt at a personal best in the last race of her high school career to help Julia Witherington finish her run. 

From 1991 to 2017, photographer Deanna Dikeman documented parting moments with her parents in Sioux City, Iowa, until their passing.

Sandy Flash had a heartwarming first meeting with Sonny, whom she helped save by donating a portion of her liver.

"This woman played a major role in shaping the way I think of myself," Corrie Sterling-Mundy wrote on TikTok. "Now, it's my turn to remind her in moments of doubt."

A California mom shared a now-viral TikTok video showing her emotional reaction after learning she had passed the bar exam on her first try.

Chris Martin saw a young fan squeezed in the standing section at his Sydney concert and helped him secure a better view.

On 7 acres in Brandywine, Maryland, former U.S. Army Special Forces counterintelligence agent Peter Scott is farming to help food-insecure veterans in the D.C. region.

A Minnesota girl who was born at a McDonald's restaurant in 2014 recently returned to the same restaurant to celebrate her 10th birthday.

Armorion Smith, 21, became the legal guardian of four of his younger siblings after their mother died earlier this year.

Technical Sgt. Mickey Lane multiplied his $20 donation to Senior Airman Jaztin Thornton's dream by capturing the moment, sharing it online and asking others to help make it come true.

Julianne Smith, a mom of three, speaks out after experiencing a massive brain aneurysm rupture.

Jonathan Pascual was diagnosed with mediastinal paraganglioma in 2022. Now, he completed an event that involves a 2.4-mile swim, a 112-mile bike ride and finishes with a marathon 26.2-mile run.

Jonathan Pascual was diagnosed with a rare form of cancer called mediastinal paraganglioma in 2022.

GlamourGals provides manicures, makeovers, and companionship to seniors, helping them combat loneliness while empowering teens to make a difference.

5-year-old Miguel is battling Hodgkin’s lymphoma, and when he returned to school in Varginha, Brazil, his classmates showed him how much he was loved.

Joe Baal, a retired firefighter, went to his first Yankees game at age 8.

"I just wanted to share with the world what a great man my dad is," daughter Jaymie DePalo said about her dad, Joe Baal, who was a New York City firefighter for 27 years.

Gifted Hands, born Immanuel Mitchel and without hands, found a therapeutic outlet for his struggles through honest and inspiring music.

Grace Mixon didn't tell her dad she was wearing her late mom's dress until their first look the day of the wedding.

Jennifer Skaggs was born with a rare genetic disorder that made breathing difficult, and she got a transplant in 2019. She didn't know she'd end up joining her donor's family five years later.

A New York City bus driver has reunited with the young girl he rescued in September.

Henry Hinson dressed up as Eras Tour dancer Kameron Saunders for Halloween.

Southwest Airlines Captain Matt Prebish piloted the emergency flight on Oct. 12. Then, one little fellow caught his attention.

"GMA" looks at the story of Chelsea Velez, who has made it her mission to support young people in her community and connect them with mentors.

Among the nearly 300-member University of Northern Iowa Panther Marching Band is one unofficial furry member – Winnie the golden retriever.

Michelle Figueroa, founder of the "Good News Movement," joins ABC News Live to share the latest good news and positive stories being shared online.

Amari and Javar Ruffin shared part of their sternum, diaphragm, abdominal wall, and liver.

The actress and "GMA" are celebrating a deserving teacher at Repertory High School of Theatre Arts in New York for the impact she has made on her students.

A West Virginia woman who received a double lung transplant met and fell in love with her late donor's brother.

André Williams gave his mother Tracy Gathers-Williams the gift of a lifetime, sending her a video to let her know he had paid off her mortgage.

"GMA" shares the story of Maria Campanella, a woman behind a local ice cream truck who has been serving her community for over three decades.

A stepfather was moved to tears when his stepdaughter held up a sign at his wedding, asking if he would become her "dad forever" by adopting her.

An 18-year-old and his mother have reunited with a Minnesota state trooper after the officer saved the teen’s life during a runaway car incident.

When 21-year-old drag artist Jenna Tea came out to her family as trans, no one was more supportive than her 89-year-old great-grandma

What would normally be a two-hour drive from South Carolina to Tennessee turned into a seven-hour car ride and five-hour walk after Helene made the roads impassable for this dad.

Jenelle, who works at a New Hampshire pawn shop, started an online fundraiser to help her customer Donald, a veteran, who was struggling financially.

A New Hampshire woman surprised a veteran with an online fundraiser that has gone viral and raised over $446,000 in just three months.

A California sheriff's deputy is being lauded as a hero after rescuing a child from a burning home.

"People think it's a piece-of-cake job, but you’re peeking in on your elderly... taking a second to draw with the kids on the sidewalk,” said Bill Buda, who had the same 12.2 mile route for 24 years.

Residents around Bill Buda's mail route decorated their porches and greeted him with sweet smiles to celebrate his retirement after 24 years working for the USPS.

Krissy Miller ran into Shiller Joseph during a hike on Y Mountain in Provo. Shiller revealed that he suffers from lupus and was awaiting a kidney, prompting Miller to offer him hers.

Ciara and Colleen Benko live on opposite sides of the world but nothing could stop them from celebrating their dad's 70th birthday.

Sean Atitsogbe started teaching science on YouTube when he was 4 years old, and he wants to continue sharing his knowledge with the world.

Ryley Hopper was injured in a swimming pool when he was a college freshman. Now, he has accomplished one of the many goals on his list: driving again.

This 11-month-old baby found herself stuck in a doggy door after trying to follow the family pooch, Lulu, out of their home in Novato, California.