Doping

A decade later, it's the doping scandal that changed everything. Right? A look back at Operación Puerto, a watershed moment for pro cycling.

Olympic officials retest anti-doping samples from the 2008 Summer Games and discover 31 positives for banned substances.

UCI lifts Eduard Vorganov's provisional suspension for meldonium due to WADA's uncertainty over testing protocol for the drug.

British rider Simon Yates avoids a provisional suspension by the UCI in the wake of his testing positive for Terbutaline.

A new book by Danilo Di Luca reveals the extent of his career of cheating, with shocking details about his doping and career.

UCI testers discovered an electric motor in a bike belonging to Femke Van den Driessche at the January cyclocross world championships.

The UCI imposes the suspension after Italian Luca Paolini tested positive for cocaine during the 2015 Tour de France.

Michael Buckley, of Reno, Nevada, has been issued a four-year ban for failing an out-of-competition anti-doping test.

Nicholas Brandt-Sorensen pleads guilty to selling EPO across state lines, in violation of federal law, and may face a prison sentence.

Five riders, five of which are on the Coopenae – Extralum team, are suspended by UCI for failed anti-doping tests at Vuelta a Costa Rica.

Francesco Reda, runner-up at Italian national championships in 2015, has been banned for eight years due to a failed anti-doping test.

The UCI says Luca Paolini was taking cocaine last year for recreational use, not to gain a competitive advantage.

Despite two doping suspensions to date in 2016, Russia's sports minister says his country's cycling program is not suspected of corruption or cheating.

Russian Eduard Vorganov is suspended by his Katusha team on Friday for testing positive for meldonium.

The Belgian says using a hidden motor during bike racing "is the worst that [riders] can do."

UCI president Brian Cookson confirms the governing body discovered a hidden motor in a rider's bike at the cyclocross worlds.

No matter how unhinged the skeptics seem, no matter how outlandish the conspiracy theories, pro cycling continues to prove them right.

Roberto Heras wins court battle to recoup $1 million in lost wages after failed Vuelta anti-doping test, but Spanish officials will appeal.

Alberto Gallego turned in a positive test for the banned anabolic steroid stanozolol on January 3.

In the wake of the track and field IAAF doping scandal, there's a lot to be learned from cycling's dark past.

Dutch rider Michael Boogerd has been handed a two-year suspension for drug use during his career, which ended in 2008

Bobby Lea was found to have a metabolite of oxycodone in his system when he provided an anti-doping sample at track nationals.

Luca Paolini's doping case will be heard before the UCI's Anti-Doping Tribunal.

Todd Hickman, of Byhalia, Mississippi, fails anti-doping test after winning Louisiana-Mississippi Age-Graded Championships.

Reports say that Ivan Lutsenko and Andrei Lukonin, both 20 and members of Itera-Katusha, have been suspended by RUSADA.

With increased license fees, frequent amateur anti-doping tests are on the horizon, as USAC responds to concerns about cheating.

World Anti-Doping Association issues formal statement that opposes laws that seek to criminalize sports doping offenses.

Anti-doping authorities conducted 656 controls during the three-week Tour de France in 2015.

Pro women's racing is on the rise, but it's concerning that anti-doping measures aren't keeping up with the pace of growth.

Californian Lauren Mulwitz tests positive for THC, a metabolite of marijuana, at the Manhattan Beach Grand Prix crit in June.

U.S. authorities seize 636 kilos of raw steroids, $2 million, and arrest 90 suspects in "Operation Cyber Juice."

ProPublica explains how dopers are able to stay one step ahead of testers, notes that cycling is leading the way with bio-passport.

The UCI confirms Wednesday it will not seek to suspend Katusha following Caruso's EPO positive from 2012.

USADA looks to be applying a much more accurate test to catch dopers that abuse testosterone: Here's how it works.

Tom Danielson tests positive for synthetic testosterone in an out-of-competition test performed July 9

An Italian newspaper report claims the 550 pages of evidence in the doping case could be put on the shelf.

Now that we're wise to indiscretions of cycling's doping-tainted era, movies from then can be viewed in a different, interesting light.

Tour de France leader Froome wants to silence critics by undergoing additional testing to prove that he is riding clean.

Italian Appollonio fails a doping test in June after finishing the Giro and before he won the points jersey at Tour of Slovenia

The Dane escapes a ban from the sport due to the statute of limitation

"We should not expect to see cycling liberated forever from these cheats," says classics champion John Degenkolb

Schmidt, of Ogema, Wisconsin, admitted to the use, attempted use, and possession of synthetic erythropoietin

Collegiate cyclist Luck voluntarily admits to doping violation to USADA and is cooperating in other ongoing anti-doping cases

Belgian classics star Greg Van Avermaet cleared of all wrongdoing in Mertens doping case after weeks of uncertainty and suspicion

World Anti-Doping Association blasts Stade 2 TV station for airing a program using "human guinea pigs" for bio-passport doping report

If the squad loses its WorldTour racing license this week, team officials say they will appeal the UCI decision to the CAS

Ag2r’s Lloyd Mondory has been advised of an adverse analytical finding for EPO from a sample collected on February 17, 2015

The UCI chief said the governing body continues to take steps to clean up the sport

The Cycling Independent Reform Commission report is a catalog of doping, cover-ups, conflicts of interest, and ineffectual leadership

Doping has waned in professional cycling, but remains a serious issue, the CIRC report contends

The Cycling Independent Review Commission will release its findings into cycling's so-called "EPO era" on Monday

Roman Kreuziger has an uphill battle ahead as WADA and UCI appeal biological passport doping sanction at the Court of Arbitration for Sport

Former USPS team director Johan Bruyneel will have his day in court at the beginning of March as WADA seeks to increase his penalty

The USADA boss says Armstrong could have appealed his ban to sport's highest court

"It was a bad decision and an imperfect time," Armstrong says. He also wants reduced ban and to have his Tour wins restored in records

Testimony from Michael Rasmussen was pivotal to the investigation of former team doctor Geert Leinders

The UCI will be able to suspend teams when two or more riders violate rules, and it will organize its own anti-doping tribunal

Tougher sanctions for first-time offenders and the pending CIRC report are sure to keep doping in the headlines during the 2015 season

Some who confessed to doping have been accepted back into the sport, others have not. What's the difference?

The Italian serving a 12-year doping ban blasts the UCI's Cycling Independent Reform Commission and more at a book launch

José Alfredo Aguirre claims he did not realize his team director had given him drugs to transport to Spain in April 2014

UCI President Brian Cookson says the threat of legal action played a role in the decision to give Astana a 2015 license

UCI President Brian Cookson says the Astana boss should meet with the UCI to discuss his doping past in the wake of the team's five doping positives

Astana's Paolo Slongo (right) has brought legal action against two journalists who tied him to banned doctor Michele Ferrari

Michele Ferrari struck back at the Padua doping investigation leaks Wednesday afternoon, assailing the information printed by La Gazzetta

The UCI's licensing commission is due to announce its decision on what to do with Astana's racing license on Wednesday

Several Astana riders have alleged ties to banned doctor Michele Ferrari, including general manager Alexandre Vinokourov

A report claims investigators saw the notorious doctor, who helped Lance Armstrong dope, with Astana riders a year ago

A German documentary claims that Russian authorities knowingly aided their Olympic athletes in cheating and avoiding detection

Can cycling fans trust today's champions, or does the modern peloton continue to elude doping tests? The answer is frustrating and uncertain

A New York Times opinion piece examines the blurred lines between performance-enhancing substances that are banned and those that aren't

The Tour de France winner says the four Astana riders who turned in doing positives this year "have nothing to do with me"

Victor Okishev tests positive for steroids during the Asian Championships

As the biological passport has become commonplace in sport, some cases, like that of Jonathan Tiernan-Locke raise questions

Proposed legislation in Germany calls for 3-year prison terms for offenders and would apply to the country's 7,000 elite athletes

How reliable are anti-doping test results? Some adverse analytical findings may be subject to lab error, implicating innocent riders

The Belgian press is reporting that 19 professional riders have been implicated in a doping investigation of Dr. Chris Mertens

The Czech rider's lawyer releases a statement and presents new evidence after the UCI and WADA press on with case

UCI president Brian Cookson discusses the Astana situation, noting it could have a profound impact on the team's future

New research suggests that the long-term benefits of doping are significant, especially in the case of anabolic steroid use