Michael Phelps was back to his dominant best at the the US Nationals in San Antonio, Texas. Photograph: Eric Gay/AP

At the World Swimming Championships in Russia last Saturday, South Africa’s Chad Le Clos won the 100m butterfly in an impressive 50.56 and then took a(...)

Athletes Sean McDonald from Wicklow and Lyon Keogh from Dublin are pictured with Lisa Jane Dorman (left), Aer Lingus cabin crew member and Claire Teehan, Aer Lingus cabin crew member. Photograph: Dan Sheridan/Inpho

Liam Foley plans to celebrate his 18th birthday on Thursday by “meeting lots of famous people” in Los Angeles at the Special Olympics World Summer (...)

In its latest version, Amin Rigi’s robotic lifeguard can convert itself into a hovercraft and bring a potential victim back to the shore.

The Indo-Pacific sailfish, a big-game fish that looks quite like a swordfish, holds the Guinness World Record as the fastest fish in the sea. It has b(...)

Michael Phelps: “I understand that’s going to take a lot of time for me to be able to prove to whoever I need to prove to that I am different, that I have changed. This week will be the first week that I can start that.”

As his life unraveled, the athlete rued that all he knew how to do was swim. “So I was just this little hole where a man should be,” he said.The speak(...)

Michael Phelps competes in the 400m Freestyle at the Arena Pro Swim Series in  Arizona. Photo: Chris Coduto/Getty Images

Olympic champion Michael Phelps suffered his first setback in his return to the pool after he failed to qualify for the 400 metres freestyle final i(...)

Miachsel Phelps has announced he intends to compete at Rio 2016. Photograph: Inpho

Michael Phelps has, for the first time, declared his intention to compete at the 2016 Olympics in Rio de Janeiro in a bid to add to his record 18 gold(...)

 Bruce Jenner after the 1,500 metres which sealed his win at the 1976 Olympic decathlon in Montreal. Photograph: Allsport UK/Allsport

Lining up for the 1,500 metres, the final event of the 1976 Olympic decathlon, Bruce Jenner had the gold in his grasp. Needing a time of four minutes (...)

Olympic swimmer Michael Phelps speaks to reporters after leaving court on Friday where he pleaded guilty to drink-driving. Photograph: Patrick Semansky/AP

American swimmer Michael Phelps, the most decorated Olympian of all time, pleaded guilty on Friday to driving under the influence of alcohol and recei(...)

Michael Phelps: “Swimming is a major part of my life, but right now I need to focus my attention on me as an individual, and do the necessary work to learn from this experience and make better decisions in the future.” Photograph: Stuart Palley/The New York Times

Watching Michael Phelps’ return to swimming was like worrying a loose tooth with your tongue. His comeback was a cause for nervousness for anyone f(...)

Michael Phelps leaves the pool after his seventh place finish in the men’s 100 metre freestyle final in California. Photograph: Harry How/Getty Images

For more than a decade, Michael Phelps was known for his numbing consistency. He won races in sickness and in health, despite bad starts, poor finis(...)