MICHAEL PHELPS

Reaction to Serena Williams' loss in the third round of the U.S. Open.

Katie Ledecky has extended her record haul of medals from the world swimming championships to 22 with her latest 800-meter freestyle win.

Canadian teenager Summer McIntosh has won the women’s 200 butterfly for her first title at the world swimming championships.

Hungary’s Kristóf Milák has set a world record in the men’s 200 butterfly at the swimming world championships.

Italy’s Thomas Ceccon has set a world record in the men’s 100 backstroke and Katie Ledecky has claimed yet another gold at the swimming world championships in Budapest.

Trump's going all in on promoting one of the state's leaders in election misinformation.

Around the world, athletes are throwing their support behind political and social causes, part of a wave of sports activism that has flourished in the years since former San Francisco 49ers quarterback Colin Kaepernick began taking a knee during games to protest police brutality against Black people.

Mental health was the breakout star at the Tokyo Olympics.

Ireen Wüst can’t really explain it.

Ireen Wüst skated into the record books at the Beijing Games by becoming the first athlete to claim individual gold medals at five different Olympics.

Somewhere under the four sheets of curling ice being used for the Beijing Olympics is the swimming pool where Michael Phelps splashed his way to history in the 2008 Summer Games.

John Shuster will become the first curler to carry the American flag in an Olympic opening ceremony at this year's Beijing Games.

Michael Phelps called the controversy around Lia Thomas, the transgender UPenn swimmer, “very complicated” and stressed the need for a “level playing field.”

Trying to time the market is a fool's errand, Dalio says. In fact, you might be better off trying to beat Usain Bolt in a footrace.

Svetlana Romashina wins seventh gold with Russian Olympic Committee in artistic swimming team final.

The pandemic has prevented families from traveling to Tokyo to watch their loved ones compete. But journalists back home are capturing their celebrations.

Being a young Black woman in American life comes with its own built-in pressure to perform, and entails much more than meets the eye.

Simone Biles stuck the landing and won a bronze medal.

Michael Phelps opens up in an extended conversation with Mike Tirico on the subject of athlete mental health, his own struggles, and what can be done to support others who continue to struggle.

Caeleb Dressel and Emma McKeon earned milestone medals at the Olympic pool before the race to determine the fastest man in the world took center stage.

Caeleb Dressel capped one of the greatest performances in Olympic history with his fourth and fifth gold medals of the Tokyo Games.

Get primed for swimming on Day 9 of the Tokyo Olympics with the top storylines to follow from each event.

American star Caeleb Dressel still has a shot at five gold medals.

For all the focus on Caeleb Dressel, Australia’s Emma McKeon could leave the Tokyo Olympics with more swimming medals than anyone.

The willingness of athletes, led by Simone Biles, to talk about the pressures they face as elite athletes on the Olympics stage, has forced a look at how NBC presents the Games to the public.

Caeleb Dressel has won his third gold medal of the Tokyo Olympics with a world record in the 100-meter butterfly.

Caeleb Dressel has a shot to win six gold medals at the Tokyo Olympics.

László Cseh outlasted longtime rivals Michael Phelps and Ryan Lochte.

Biles did not compete in the all-around women's gymnastics competition after pulling out of the event to focus on her mental health.

Biles took to social media to thank the gymnastics community for the "outpouring" of love and support she has received since withdrawing from competition.

Caeleb Dressel tossed his gold medal from a winning relay at the Tokyo Olympics to a teammate in the stands.

Mental health has been a discussion in sports the past year but became the topic of these Olympics when gymnast Simone Biles chose self-care over sporting success.

Biles took to social media to thank the gymnastics community for the "outpouring" of love and support she has received since withdrawing from competition.

Caeleb Dressel got his first individual gold medal, the Chinese women put together a record-setting relay and American Sunisa Lee won the women’s all-around gymnastics gold.

From the time he rocketed off the blocks in Lane 5 until he wiped his eyes and gave his earpiece back to Michele Tafoya — Caeleb Dressel won the race. And these Olympics.

She says the decision will allow her to focus on her mental health.

The iconic Olympic swimmer says he can relate to the superstar gymnast's ordeal and hopes her openness about it helps destigmatize mental health issues.

Simone Biles cited mental health struggles for pulling out of the gymnastics team competition and the individual all-around, highlighting the discussion that’s been coursing through sports for the past year.

Kristof Milak is the dominant force in swimming's butterfly event and the man who broke Michael Phelps' 10-year-old world record in the 200-meter fly at the world championships in 2019.

For the first time in more than a century, Britain claimed relay gold at the Olympic pool.

After withdrawing from the women's gymnastics team final, Simone Biles will not defend her individual all-around Olympic title in Tokyo.

"It was hard for me to ask for help," Michael Phelps said. "I felt like I was carrying, as Simone said, the weight of the world on my shoulders. It's a tough situation."

Finally, a gold medal in Tokyo for Katie Ledecky.

23-time Olympic gold medalist swimmer Michael Phelps opens up to Savannah Guthrie and Hoda Kotb on TODAY about the young men and women competing for Team USA in the 2020 Tokyo Olympic Games.

Ariarne Titmus and Luka Doncic made memorable Olympic debuts.

Caeleb Dressel got started on his quest for six gold medals in swimming, while Katie Ledecky found herself in a very unusual position: Second place.

The Americans will try to add to their impressive first day haul of swimming medals on Day 3 of the Tokyo Games when some of their top competitors get back in the pool Monday.

Michael Phelps is now in a broadcast seat, a mere observer rather than the driving force of U.S. swimming.

The Yoyogi National Stadium was the architectural jewel of the 1964 Tokyo Olympics.

Bryson DeChambeau and Jon Rahm are known for their towering drives but they won’t make it to the tee box at the Olympics.

Chase Kalisz won the first American medal of the Tokyo Games with a gold in the men’s 400-meter individual medley.

Chase Kalisz, Jay Litherland, Emma Weyant and the first American relay team aim for the first batch of swimming medals of the Tokyo Olympics

Two of America's biggest stars begin their Tokyo Games on Sunday.

In the midst of the chaos and uncertainty, Jill Biden has chosen to practice the art of simply showing up.

Caeleb Dressel could win as many as seven medals in the pool at the Tokyo Olympics.

Find out where to watch every heat of the Tokyo Olympics swimming program.

There won’t be any reaction shots of excited, shocked or crying family members in the stands at the Tokyo Olympics.

The Tokyo Games are almost here. We look back at 25 Olympic memories during the 25-day leadup.

Katie Ledecky, Caeleb Dressel, Simone Manuel, Michael Andrew and more provided unforgettable moments at the 2021 U.S. Olympic Swimming Trials.

Bryson DeChambeau grew up watching the Olympics and wishing that someday he would be able to take part.

The former Olympian Michael Phelps spoke out in support of the tennis champion Naomi Osaka on Thursday, saying she "could help a lot of people."

After first-quarter sales plummeted 23%, the apparel maker said the company is negotiating sports marketing contracts to defer payment with some of its athletes. "It's obviously not a desirable situation for companies and their athletes, but these are unprecedented times and call for unprecedented tactics," he added. Dorfman said assuming Under Armour has strong relationships with its athletes and there's confidence that business will eventually turn around, he believes athletes would be willing to accept an extended payment option. Under Armour said Monday it plans to cut $325 million in operating costs to help weather the crisis. "All of our athletes have been phenomenal during this period with how they have helped their communities and how they have helped Under Armour," he said.

After Michael Phelps won his 23rd Olympic medal, the bruises all over his arms grabbed the attention of many in the audience. They're from "cupping," a treatment meant to alleviate muscle soreness. Ben Tracy explains how it works.

It's called "cupping," and while it may not be the most attractive therapy in the world, many athletes believe it helps them win

Swimming is one of the first big sports to take the spotlight at the Summer Olympics. All eyes are on big names like Michael Phelps who has 22 Olympic medals to his name, but the team is packed with Olympic newbies. Any of them could become the next big American star of the pool. Jamie Yuccas reports.

Phelps is returning to competition this week with Olympic gold in mind. Phelps was charged with DUI in September and his 6-month suspension ended earlier this month. After a stint in rehab, Phelps says he's now the happiest he's ever been. Vinita Nair reports.

Why did Michael Phelps come out of retirement? Michael Phelps will compete in the Arena Grand Prix in Mesa, Ariz. He spoke with reporters about why he is returning to swimming after retiring.

The Golden Boy Michael Phelps swam into history at the Beijing Olympics and now the 23-year-old phenom tells CNN's Anderson Cooper how his life has since changed.