But some people can't help but notice there's something a bit amusing about the timing of the announcement - which comes immediately after this weekend's Royal wedding between Princess Eugenie and Jack Brooksbank.
This historic, epic tour immediately became even more thrilling - if that were possible.
Were some of the media at this evening's briefing privy to the news before it was made public?
It is their first official royal tour since their wedding, which also took place at St George's Chapel, Windsor.
However, Kensington Palace says that medical advice has been sought and the couple will visit the two countries next week, before travelling on to New Zealand.
Some royal etiquette experts had criticised them, branding it a major "faux pas" to overshadow Eugenie and Jack's big day.
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Boston's staff was attempting to obey a directive from manager Alex Cora that began in the AL Division Series. Game 2 was the first time ever two No. 1 overall picks started against each other in the postseason .
Thirty-four-year-old Prince Harry and 37-year-old Meghan arrived in Australia for their first major global tour since they were married in late May. It then gets passed down to the children of Wills in the order of when they were born.
The royal baby will be seventh in line for the throne.
Meghan is pregnant and has a baby [on the way]'.
The Duke and Duchess are touring Australia for the next nine days, primarily for the Invictus Games in Sydney.
The new baby will be neither a prince nor a princess because King George V limited titles in the Royal Family in 1917.
Prince Harry and the Duchess of Sussex attended Princess Eugenie's, the granddaughter of Queen Elizabeth, wedding on Friday.
"I didn't know much about him and so the only thing I had asked her when she said she wanted to set us up was, I had one question, I said, 'Was he nice?'" Markle recalled.
This will be the first child for both Meghan and Harry, who married in a lavish ceremony in May.