Tennis star Serena Williams says 'I do'“ to Reddit co-founder Alexis Ohanian.

John McEnroe says he would have been better off never trying to compare Serena Williams to men's tennis players after the furor over his remark that she would rank "like 700 in the world".

Serena Williams may be missing from this year's French Open, but big sister Venus is still going strong and marks her Roland Garros 20th anniversary.

Superstar athlete Serena Williams late Tuesday promised she would be back on the court after becoming a mom, with her baby hopefully cheering her on.

US tennis great Serena Williams marks her fiance's birthday and her return to the world number one ranking by posting an emotional message to her unborn baby on Instagram.

Tennis superstar Serena Williams is pregnant and taking maternity leave through the rest of 2017, expecting to give birth this fall, her spokeswoman said on Wednesday in an announcement that upended a sport the 35-year-old athlete has dominated for the past decade.

Serena Williams clinched a record 23rd grand slam title at the Australian Open on Saturday but spent most of the immediate aftermath talking about her older sister Venus.

Serena Williams ended the fairytale run of Mirjana Lucic-Baroni at the Australian Open on Thursday with a crushing 6-2 6-1 win that set up a final against her sister Venus.

Venus Williams drew on the experience of 73 grand slam campaigns to come from a set down for a 6-7(3) 6-2 6-3 victory over fellow American Coco Vandeweghe on Thursday to set up a possible Australian Open final against her sister Serena.

Venus Williams continued her astonishing late-career revival by felling Anastasia Pavlyuchenkova 6-4 7-6(3) on Tuesday to reach her first Australian Open semi-final in 14 years and become the oldest woman to reach the last four at Melbourne Park in the professional era.

Serena Williams gave compatriot Nicole Gibbs a lesson in grand slam tennis with a 6-1 6-3 towelling to reach the fourth round of the Australian Open on Saturday.

Serena Williams exploded any doubts about her form on Tuesday as she swept into the Australian Open second round on her return to Grand Slam action.

Serena Williams suffered a shock second-round defeat at the Auckland Classic Wednesday following her sister Venus's earlier withdrawal with an arm injury.

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).

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.

Serena Williams crashes out of the US Open, her semi-final defeat to Karolina Pliskova costing her a shot at a 23rd Grand Slam title.

World number one Serena Williams fends off spirited Simona Halep, downing the fifth-seeded Romanian 6-2, 4-6, 6-3 to reach the US Open semi-finals.

Simona Halep does something no one else was able to do against Serena Williams at the U.S. Open but still cannot not stop the world number one from advancing to the semi-finals.

Venus Williams moves within two wins of a possible sisterly showdown with Serena in the semi-finals of the U.S. Open by beating German 26th seed Laura Siegemund.

World number one Serena Williams opens her U.S. Open account with a tidy 6-3 6-3 win over Ekaterina Makarova.