A sudden change in alkaline levels in the Olympic diving pool has been blamed for turning the water a bright shade of green.

In the process of winning his 20th and 21st Olympic gold medals, legendary swimmer Michael Phelps has tied an Olympic record that

Backstroker Corey Main has qualified for his second semi-final at the Rio Olympics and Bradlee Ashby will also get a night swim after

Hurring's only foray into the water these days is at the retirement village pool, where she exercises to strengthen a shoulder post-operation.

Coming from a country with citizens better known for their agility on land than in the water - Ethiopian Robel Kiros Habte's chances in the Olympic pool were never high.

No, your eyes aren't playing tricks on you. Olympic swimmers are indeed wearing swim caps under their swim caps.

What's really important, in this throwback summer of 2016, isn't the female athlete's achievements. It's who her husband is and what he's accomplished.

Michael Phelps used to eat three egg sandwiches, a five-egg omelette, grits, three pieces of french toast and three pancakes for breakfast.

If being a meme was an Olympic event, Michael Phelps might win nine golds.

Controversial Russian swimmer Yuliya Efimova is being mercilessly mocked after reacting to her silver medal with tears.

Chinese newspaper weighs into the escalating Olympic swimming scandal by labelling Australia a "country at the fringes of civilisation".

Games audiences could have been forgiven for consulting Dr Google after images emerged of 19-time Olympic gold medallist Michael Phelps covered in large red spots.

Michael Phelps has to clear out more space in his medal case.

Record-shattering performance in the 400m Individual Medley by Hungary's Katinka Hosszu elicits awe, skepticism on pool deck.

Australian Olympics swimming champion Mack Horton has been abused by Chinese Olympic fans for calling out beaten drugs cheat Sun Yang.

Olympic medal hope Lauren Boyle has missed out on the 400m freestyle final at the Rio Olympics after finishing fifth in her heat

'It's very cool," said Yusra Mardini, long after she had won her heat in the 100m butterfly. "It is an incredible feeling to be here."

The world's best swimmers are in safe hands at the Rio Olympics, where they will compete under the eye of lifeguards who are on red alert should they need saving.

Watch NZH Focus: A boy has been pulled from the rubble of a building destroyed by bombs in the rebel-held Aleppo neighbourhood of Mashhad. A record number of condoms will be given to athletes as they arrive at the Olympic village in Rio.

Herald reporters spent a day training, eating and sleeping like an Olympian. Today, Ben Hill shares his experience on his bout with synchronised swimming.

The systemic Russian doping scandal is not deterring two of the country's Paralympic champions from defending their titles at Rio.

Top New Zealand swimmer Lauren Boyle has some sympathy for Russian athletes who have been forced into a systematic state-run doping programme.

American Jerry Olszewski has been appointed Swimming New Zealand's new head coach. He takes over the role from Clive Power, who has

A conversation with newly included Olympic swimmer Kane Radford.

Long distance swimmer Kane Radford has been confirmed in the New Zealand Olympic team for Rio.

Support is growing for two swimmers who failed to make the cut for the Rio Olympics.

Paralympian Cameron Leslie certainly kept the best for the last as the final Kiwi to swim on day two of the IDM German Open.

Children aged between 7 and 13 swam 200m at six events during the 2015-16 Ocean Swim Series.