Rupert Murdoch's divorce filing said the "relationship between husband and wife has broken down irretrievably," according to a New York Times report.
It added that a spokeswoman for News Corporation, his media company, confirmed that it was Mr Murdoch who had made the filing.
The spokeswoman added that the divorce would have no impact on the company.
More top news
NASA's Juno spacecraft has skimmed the clouds above Jupiter in a record-breaking close approach to the planet.
Sunny spells and scattered showers this Sunday
A fresh round of singing hopefuls put aside their nerves to face the X Factor judges as the talent show returns for a new series.