Naomi Osaka, who was born in Japan but moved to New York at the age of three, relinquished her American citizenship in 2019.
Osaka, the rapper Megan Thee Stallion, and the model and actress Leyna Bloom are the cover stars for this year's swimsuit issue.
Kara Eaker, a US women's gymnastics alternate, tested positive for COVID-19 less than a week before the start of the Olympics.
Hunter Woodhall and Tara Davis first crossed paths at a high school track meet, and more than four years later, they're both competing in Tokyo.
ESPY Awards 2021 host Anthony Mackie spoke out against Richardson's Olympic ban and called Osaka's punishment for skipping media appearances "crazy."
In 2019, Allyson Felix criticized her then-sponsor, Nike, writing in the New York Times that the brand said it would cut her pay after childbirth.
Warholm explained to Insider how working with a nutritionist helped boost his performance, and why he builds Lego structures on his days off.
Tokyo 2020 President Seiko Hashimoto announced the ban on spectators for the Olympics following concerns about COVID-19.
The Olympic sprinter Allyson Felix says her "stomach dropped" when she was asked to participate in a female-empowerment ad for Nike.
The International Swimming Federation originally said the caps weren't needed and don't fit "the natural form of the head."
Lindsay Flach, a US heptathlete, raced in Eugene, Oregon, where temperatures were soaring. She wanted to end her athletic career on her terms.
To stay competitive, Anthony Joshua trains twice a day, six days a week, for as long as five hours. Outside the gym, mental training is 24/7, he said.
Kim Kardashian West also announced that the Olympic line will be available for purchase on the SKIMS website as part of a capsule collection.
Keyshawn Davis wants to join Muhammad Ali as an Olympic gold medal winner, having already boxed on Saul 'Canelo' Alvarez undercards.
Laurel Hubbard, a weightlifter from New Zealand, will be the first out transgender person to compete in the Olympic Games.
Osaka told Insider she's preparing for her first Olympics and is filled with excitement, but she also feels immense pressure to perform.
The official told NBC News that determining how many spectators - and if any all - will be allowed will depend on COVID-19 case numbers.