By using her public profile to suggest bias in drug-testing, Williams is calling into question the integrity of those tasked with the role of monitoring 'clean sport'.
Unpacking the sporting science behind the humble tennis court.
The tennis star claims his role as a sports attaché for the Central African Republic means he doesn't have to repay his debts. Is he right?
An independent review has recommended steps to clean up the sport. Tennis authorities must now demonstrate they have the will to take action.
Drinking coffee before exercising could make you run faster and lift heavier - if you've the right genes.
Tennis should be a more regularly accessible sport for more children. That's where we find more Johanna Kontas, Heather Watsons and Andy Murrays.
Kyle Edmund may be out of the Australian Open, but an impressive forehand and sharp focus won't stop the tennis player.
Wrist injuries forced some of the top players to miss out on this year's Australian Open. It's an ongoing problem and such injuries are partly to blame on how players grip their racquet.
Roger Federer and Rafael Nadal are two of the greatest tennis players in recent years at the Australian Open. So what makes them stand out from the rest?
It can be tough for younger players to make it to the top of professional tennis. But it's not impossible, if you look at the numbers.
Some of today's top tennis players are playing more games and at an earlier age than the court stars of yesteryear. And that can lead to injuries.
Grunting in tennis can be performance-enhancing for the grunter and performance-hindering for their opponent.
The Australian Open tennis and the recent Ashes Test cricket series show why our sporting stadiums need to be "climate-proofed" to deal with extreme heat.
It seems obvious that a game should be suspended if it's too hot to play, but it's not as easy as implementing a maximum temperature.
Only a few professional tennis players make a stable income, let alone vast riches. Research suggests it's this small chance of a huge payoff that drives players to play professionally
Former tennis star Jelena Dokic's story of disturbing abuse suffered at the hands of her father raises alarm bells about children in elite sports.
Sportswomen still struggle for attention and too many girls are discouraged from taking sport seriously.
Having a baby could provide even more motivation.
After a doping ban, the famous sportswoman has been given an underserved break.
Tennis is as much a mental battle as a physical one.