Dis·​cover the news

Dozens of news articles are silently edited, updated, or redacted everyday.

Sometimes there is no mention of this fact or what was changed.

The goal of is revealing these edits.

Which news articles were changededited?

What information was added or removed?

What are the edit patterns across newsrooms?


Review the reporting of Pedrógão Grande fires.

See the evolution of Hurricane Matthew.

Uncover the edit policies of different newsrooms.


We inspected 482,987 news articles from 36 online publications.

We found that 4.1% of news articles were altered after publication.

We discovered that changes were not disclosed in 73.2% of the articles.