US swimming legend Michael Phelps has spoken of his frustration at the possibility rivals were using drugs at last year's Rio de Janeiro Olympics.
The World Anti-Doping Agency slams Russian hackers who breached its database and published confidential records of US Olympic gymnast Simone Biles and tennis stars Venus and Serena Williams.
Kenyan police arrest the secretary-general of the country's Olympic committee (NOCK) in the wake of a series of scandals and embarrassments at the Rio Games.
Russian President Putin awards rhythmic gymnast Margarita Mamun during a grand ceremony for Russian Olympic medallists returning home from 2016 Rio Olympics at Kremlin in Moscow.
On a team of mostly first-time young Olympians, veterans Carmelo Anthony and Kevin Durant steal the show as the USA win its third straight gold medal.
The Rio Olympics end in a blaze of colour with an exuberant closing ceremony as Tokyo take up the baton promising to host the best Games yet in 2020.
On the last day of the Rio Olympics Kenya's Eliud Kipchoge wins the marathon by more than a minute, Brazil win men's volleyball gold, police raid the Irish Olympic office and a Mongolian coach stages an underwear protest.
China won their third Olympic Games women's volleyball gold on Saturday with a 3-1 victory over Serbia in the final. China also won gold in 1984 and 2004 while they were runners-up to Cuba in 1996.
Margarita Mamun, a Russian gymnast of Bangladeshi origin, has won gold in women's individual all-around rhythmic gymnastics event at Rio de Janeiro's Olympic Arena on Saturday.
Athletes from one sport should not be punished for the sins of those from another, the IOC president said on Wednesday,
Brazilian legend Edson Arantes do Nascimento, better known as 'Pele', on Wednesday wrote on his Twitter account that he has composed and recorded a song, titled 'Esperanca' (Hope), for the upcoming Olympics in Rio de Janeiro.
The Court of Arbitration for Sport (CAS) said Monday it has put back its ruling on the two-year doping ban for Maria Sharapova for two months to September, ruling the tennis superstar out of the Rio Olympics.
A Court of Arbitration for Sport decision on the two-year doping ban for Maria Sharapova has been put back two months to September, the court said Monday, ruling the tennis superstar out of the Rio Olympics.
The International Olympic Committee approve 'wild card' entries to the Olympic Games for two Bangladeshi athletes, Mahfuzur Rahman Sagor and Sonia Akhter Tumpa.
Argentina head coach Gerardo Martino resigns, deepening the chaos in the frustrated squad a month before the Olympics after its star striker Lionel Messi also quit.
Australian Olympic officials name their tennis line-up for Rio on Monday with the nation's top male stars Nick Kyrgios and Bernard Tomic notably absent.
Justin Gatlin fully expects ailing world record holder Usain Bolt to be ready for another 100 metres showdown at the Rio Olympics.
Michael Phelps gave the home fans one last thrill when he touched first in the 100 metres butterfly at the U.S. Olympic trials on Saturday in his final race in an American pool.
Sprint king Usain Bolt has praised efforts by athletics chiefs to clamp down on doping in the build-up to August's Olympic Games.