The Olympic 100 metres champion's options includes appealing to the International Association of Athletics Federations, taking the case to the Court of Arbitration for Sport or filing a federal lawsuit.
Argentina forward Lionel Messi will not play in the Olympic Games after a sporting tribunal ruled on Wednesday that his club Barcelona were not obliged to release him.
Five-time Grand Slam champion Maria Sharapova is putting her time away from tennis to good use.
Double amputee Oscar Pistorius failed in his first bid to reach the Olympic 400 metres qualification time at an athletics meeting on Wednesday. The South African, who runs with carbon fibre blades attached below the knee, is entitled to compete against able-bodied runners following a Court of Arbitration for Sport ruling in May. The 21-year-old needed to clock 45.55 to qualify for the individual race at next month's Beijing Games but instead ran 47.78 to finish fourth.
Maria Sharapova's reduced suspension for a doping violation is set to provide a healthy boost to her bank balance with corporate sponsors reaffirming their commitment to the Russian player. The 29-year-old can return to the court next April after the Court of Arbitration for Sport reduced her two-year ban by nine months on Tuesday. Sharapova's stunning admission in March that she had tested positive for meldonium at the Australian Open, and her subsequent ban by the International Tennis Federation, saw a number of sponsors distance themselves from her.
Former Pakistan cricketers Salman Butt and Mohammad Asif lost their appeals against bans for spot-fixing in the Lord's Test against England in 2010.
His message contained some defiance: he vowed to fight the ban, insisted he had done no wrong and hit out at those who had questioned his integrity and honesty.
Beijing's National Anti-Doping laboratory was suspended for a maximum of four months by the World Anti-Doping Agency (WADA) on Thursday after failing to comply with international standards.
Former West Bengal Governor Jagdeep Dhankhar was on Thursday sworn in as the 14th Vice President of India.
Barcelona will appeal to the Court of Arbitration for Sport (CAS) if FIFA tell them to release Argentine forward Lionel Messi for the Olympic Games, club president Joan Laporta said on Monday. Laporta added that the club wants to "find a consensus solution that will suit both Barcelona and the AFA (Argentine Football Association)."
Manchester City will attempt to overturn their two-year UEFA ban from European football when a three-day hearing at the Court of Arbitration for Sport in Switzerland begins on Monday. European soccer's governing body UEFA ruled in February that City had committed serious breaches of Financial Fair Play (FFP) regulations and failed to cooperate with its investigation, handing them a ban and a 30 million euro (24.9 million pounds) fine.
Russian anti-doping officials have for the first time acknowledged a massive doping conspiracy in their country that has rocked world sport, the New York Times reported on Tuesday.
Five-times grand slam champion Maria Sharapova is seeking to have her two-year doping ban wiped out or reduced as she lodged an appeal with the Court of Arbitration for Sport (CAS) on Tuesday.
Slovenia men's ice hockey player Ziga Jeglic has tested positive for a banned substance and has been suspended for the remainder of the Pyeongchang Winter Olympics, the Court of Arbitration for Sport said on Tuesday.
The former world 100 metres record holder was banned for doping offences related to the BALCO laboratory in California.
The Pakistan Cricket Board (PCB) on Monday said that it will appeal to the Court of Arbitration for Sport (CAS) against the reduction of batsman Umar Akmal's ban for an anti-corruption breach. The middle-order batsman was banned in April for failing to report approaches to engage in corrupt practices ahead of this year's Pakistan Super League Twenty20 competition.
The decision by the World Anti-Doping Agency (WADA), imposed a four-year ban on Russia participating in a range of top-flight sporting tournaments, a period covering the 2020 Tokyo Summer Olympics, the 2022 Beijing Winter Olympics and the 2022 soccer World Cup.
Barcelona have vowed to use all legal means to fight a second fine imposed by UEFA after fans displayed pro-Catalan independence flags during September's Champions League Group E match at home to Bayer Leverkusen.
Russian long jumper Darya Klishina will compete at the Rio Olympics after her ban from the Games was struck down by sport's highest court on the eve of her event.
Former Pakistan captain Salman Butt appeared upbeat as he arrived at a Swiss court today in a bid to overturn a ban imposed for spot-fixing and revive his cricket career.
The rules mean Caster Semenya and other athletes with DSD hoping to compete at the World Championships in Doha in September would have to start taking medication to lower their testosterone levels within one week.
'I've just done everything I wanted to do in the sport'
Premier League leaders Chelsea have responded to what they describe as an "unprecedented attack" by Europe's governing body UEFA.
Maria Sharapova's lawyer blasted WADA chief Craig Reedie for making remarks about the five-times grand slam champion at a conference in London on Monday and said the Russian tennis player was owed an apology.
Usain Bolt and his Jamaican team mates who won the 4 x 100m relay at the 2008 Beijing Games have been told by the country's Olympic Association to return their gold medals following Nesta Carter's failed drug test.
The US Anti-Doping Agency has accused him of serious doping violations after a federal investigation into the BALCO laboratory in California.
Russian Olympic medallist Alexander Krushelnitsky has denied taking a banned substance in a suspected doping case that has rocked the Pyeongchang Winter Games and could imperil Russia's efforts to regain its full Olympic status.
FIFA presidential candidate Prince Ali Bin Al Hussein of Jordan's request for Friday's election to be postponed because of an issue with the voting booths has been rejected by sport's highest tribunal.
Argentine Mariano Puerta's record eight-year ban following a positive dope test has been reduced to two years
The channel's contention is that the top bosses in CA gave preference to the wishes of the BCCI, the sport's most powerful governing body, as well as its other domestic broadcasting partner Foxtel.
The ban on Russia's track and field athletes from the Rio Games will scare drug cheats and help cleaning up the sport, Jamaica's six-time Olympic gold medallist Usain Bolt said.
Pakistan's banned pace bowler Mohammad Asif has criticised the International Cricket Council (ICC) over his spot-fix suspension and has pleaded his innocence ahead of an appeal to the Court of Arbitration for Sport (CAS).
Star Indian sprinter Dutee Chand clinched a silver in women's 100m dash in the 18th Asian Games to win the country's first medal in 20 years in this event.
France's main anti-doping laboratory, already under a provisional ban, has been suspended from carrying out anti-doping activities for up to six months because of analytical issues, the World Anti-Doping Agency (WADA) said on Friday.
Experts attribute the lower target to increased allocation under the credit guarantee scheme for small businesses. Out of the Rs 3.21 trillion worth loans sanctioned under the Pradhan Mantri Mudra Yojana (PMMY) in the last financial year, Rs 3.12 trillion were disbursed to entrepreneurs, according to official data.
The International Association of Athletics Federations (IAAF) will not soften its stance on new regulations for female classification and is ready to defend it in the Court of Arbitration for Sport(CAS), president Sebastian Coe has said.
The world 100 metres record holder has appealed to the Court of Arbitration for Sport against a possible life ban for doping.
Disgraced Pakistani fast bowler Mohammad Asif has expressed hope the Court of Arbitration for Sport (CAS) will turn over the ban he received following his involvement in the spot fixing scandal that shook the world of cricket.