Williams last played at the 2017 Australian Open and won while she was nine weeks pregnant.
Australia's Margaret Court, with 24, is the only player still ahead of Serena in terms of Grand Slam singles titles.
Williams, who gave birth to a daughter in September, could return for the Australian Open next month.
Furious rally powers Ohio State to 71-62 win over MI
Ohio State actually projects him to cornerback and he can also provide some special teams value immediately in the return game. The Times-Union's 2017 Super 24 and defensive player of the year Shaun Wade signed with the Buckeyes in last season's class.
Melbourne United will host Cairns Taipans at Hisense Arena in the second week of the Australian Open after partnering with Tennis Australia to deliver "a Grand Slam first".
"She has got her visa, she has entered, she's practicing, and she probably just needs a bit more space for a bigger entourage", tournament head Craig Tiley said.
"There's no question that she'll be ready in our view and she wants to break a record that is Margaret Court's".
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The investigation into that incident recommended that Rolls-Royce review the design of the intermediate pressure turbines. The engine issues both happened on Boeing 787 Dreamliner planes flying out of Auckland bound for global destinations.
"We'd be pretty excited about the possibility [of her coming]", Tiley said.
Tiley described the Australian Open, which will be held from January 15-28, as a "family-friendly event". "Roger Federer travels with his four kids and we are a family-friendly event", he said, referring to Williams and her baby. Williams recently announced on social media that she has started training again.
Bitcoin exchange NiceHash robbed of $64 million from its wallet
NiceHash, a cryptocurrency marketplace, has disclosed that the content of its bitcoin wallet had been stolen in a security breach. CNBC reached out to NiceHash Chief Executive Marko Kobal for comment but he was not available at the time of publication.