The Guardian has won a Pulitzer Prize for revealing the massive US government surveillance effort.
The Washington Post also won one of the awards, American journalism's highest honour, which were announced today.
The newspapers' disclosures about the National Security Agency's (NSA) spy programmes showed the US government has collected information about millions of Americans' phone calls and emails based on its classified interpretations of laws passed after the September 11 attacks.
The stories are based on thousands of documents handed over by NSA leaker Edward Snowden.
The Boston Globe has been awarded a Pulitzer Prize in breaking news, and the New York Times has won two Pulitzers in photography categories.
Donna Tartt's The Goldfinch has won the Pulitzer Prize for fiction.
The history award was given to Alan Taylor's The Internal Enemy, and general non-fiction went to Dan Fagin's Toms River.
Megan Marshall's Margaret Fuller won for biography and Vijay Seshadri's 3 Sections received the poetry prize.
Annie Baker's The Flick won the Pulitzer Prize for drama.
The Columbia University's prize board gave the playwright, who is in her early 30s, the prize for her play about friendship, morality and loyalty set in a cinema.
The drama award, which includes a 10,000 dollar prize, is "for a distinguished play by an American author, preferably original in its source and dealing with American life", according to the official guidelines.
The production must have opened during 2013 to be eligible for this year's award. Previous playwrights honoured include August Wilson, Edward Albee, Eugene O'Neill, Arthur Miller and Tennessee Williams.