Computer hackers who leaked the medical records of more than 100 top athletes in a bid to reveal questionable drug exemptions may have tampered with the data, according to the World Anti-Doping Agency (WADA).
Mo Farah, Rafael Nadal and Justin Rose are among athletes targeted in the latest leak of confidential medical documents that the world anti-doping agency (WADA) says were hacked by a Russian cyber espionage group.
The huge gulf between how much male and female athletes are paid is not likely to narrow in the foreseeable future.
The World Anti-Doping Agency (WADA) says that another batch of athlete data has been leaked by the same Russian cyber espionage group that published confidential medical data earlier this week.
Mo Farah reveals what he was doing just minutes before walking onto the track to make Olympic history.
American swimmer Ryan Lochte has been suspended for 10 months, US media reported on Wednesday, following a scandal
US swimmer Ryan Lochte is slapped with a 10-month suspension following his bogus gunpoint robbery story during a drunken night out at the Olympics.
Monica Puig, whose Olympic tennis triumph in Rio de Janeiro gave Puerto Rico their first ever Games gold, is unceremoniously bundled out of the US Open.
A Rio de Janeiro court will return the passports of three members of the Olympic Council of Ireland (OCI) and they will be allowed to leave Brazil.
It would be easy for the US team of NBA stars to overlook China in Saturday's opening game of the Rio Olympics after routing the Asians twice in pre-Games exhibitions.
Brazil and superstar Neymar are booed off as their quest for a maiden Olympic football gold medal begins with a 0-0 draw against 10-man South Africa.
Michael Phelps, the most medalled Olympian of all time, questions on Wednesday whether he had ever swum in a 'clean' sport.
Tennis world number one Novak Djokovic says he is happy that Russia avoided a blanket Olympic Games ban but admits the scandal was a dark episode for sport.
Russian Olympians turn out in force to see their flag raised over the athletes' village in Rio on Wednesday.
Security at Rio's Olympic Village is handed a further blow Wednesday when Danish athletes reveal they had items stolen.
Usain Bolt is promising to let American sprinter Justin Gatlin "feel his full wrath" as he zones in on an unprecedented treble of gold medals.
Usain Bolt is promising to let American sprinter Justin Gatlin "feel his full wrath" as he zones in on an unprecedented treble-treble of gold medals at the Rio de Janeiro Olympics.
While the opening ceremony of the Rio Olympic Games is still close to 48 hours away, the games officially got underway yesterday through the women's football match between Sweden and South Africa.
Andy Murray shrugs off the potential threat of the Zika virus as well as the absence of two of his leading rivals on Tuesday as he prepares to defend his Olympic title.