European telecommunications giant Altice’s deal to purchase Bethpage-based Cablevision Systems Corp. for $17 billion including debt raises serious questions about what the acquisition means for ...

Cablevision Systems Corp. announced Tuesday that it has completed the acquisition of Newsday, one of the nation?s largest daily newspapers, in a $650 million deal that creates a dominant regional ...

But within the next decade, Cablevision took off, signing up tens of thousands of subscribers on Long Island, throughout other sections of the metropolitan area, and eventually in parts of 19 states.

This morning, Cablevision announced a wider third quarter loss but said its operating income actually rose because existing television customers added phone and Internet services. That means ...

Cablevision Systems Corp. is buying the Long Island-based newspaper Newsday from Tribune Co. in a deal valued at $650 million, the companies announced Monday. Cablevision beat out media mogul ...

European-based media conglomerate Altice N.V.’s $17.7 billion bid to buy Bethpage-based Cablevision Systems Corp., which owns Newsday and News 12, cleared an important regulatory hurdle this ...

Bethpage-based Cablevision Systems Corp. Saturday launched a service that allows subscribers to view 300 live digital cable channels on an iPad in the home.

Vincent Gargano of Setauket cut a Cablevision fiber optic cable wire and another Cablevision wire on Jan. 7, police said. The outage affected about 6,000 customers.

The 98-year-old and his companies also had a major economic impact. At its peak, Cablevision was the largest employer on Long Island. Dolan started small and built a billion-dollar media conglomerate.

Long Island's biggest purveyor of Wi-Fi is vying for the region's Holy Grail when it comes to Wi-Fi accounts: the Long Island Rail Road. Cablevision has responded to a request for proposals put ...

“The major concern is that advertisers — all advertisers, but in particular the 87,000 small businesses on Long Island in need of advertising to grow and prosper — will find advertising ...

A Long Island couple is suing Cablevision, saying the cable provider should be offering automatic credits to customers in areas that lost service due to Superstorm Sandy rather than waiting for ...