Zimmerman Verdict Drew 10 Million to Cable TV News

Preliminary ratings show that from 10 to 11 p.m. on Saturday, Fox News and CNN each attracted more than three million viewers, and MSNBC had about 1.3 million.

    

Megyn Kelly to Get Prime-Time Slot on Fox News

Fox News dominates in total audience, but among younger viewers its lead is slipping. The arrival of Ms. Kelly, after a maternity leave, could help.

    

Devoted to Politics, MSNBC Slips on Breaking News

The network experienced a ratings decline in the last two months, as viewers turned away from Washington and toward disaster coverage.

    

May’s News Lifts CNN and Fox, but Sinks MSNBC

The freeing of three women in Cleveland and the Oklahoma tornado brought viewers to only two of the three main cable news channels.

    

Media Decoder: Chris Matthews Signs Long-Term Extension With MSNBC

A host on the network for more than a decade, Mr. Matthews said that under his new deal he would end his syndicated Sunday talk show.

    

CNN Gets a Ratings Boost From Boston

The coverage of the Boston Marathon bombings increased average total viewership of CNN in April by 80 percent compared with last April.

    

Fox News, MSNBC and the Gun Debate

A steady drumbeat of coverage of the gun debate on MSNBC contrasts with that of Fox News Channel, where critics see a lack of interest.

    

The F.B.I. Criticizes the News Media After Several Mistaken Reports of an Arrest

The agency said such unverified reporting, from which many news outlets later retreated, could have “unintended consequences” for its investigation.

    

Viewers Flock to TV News After Boston Blasts

An NBC special report drew the most viewers, but all cable news channels reported a spike in audiences.

    

Media Decoder Blog: Tucker Carlson Takes Over ‘Fox & Friends’ Weekend Edition

Mr. Carlson, a longtime political voice and founder of The Daily Caller, becomes the permanent host and instant competitor to the new weekend host on MSNBC.

Media Decoder Blog: MSNBC Announces Replacement for Chris Hayes

Steve Kornacki, a Salon editor and co-host of “The Cycle” will take over “Up” on weekends.

Media Decoder Blog: Chris Hayes to Take Over 8 P.M. Slot on MSNBC

Mr. Hayes, who has been hosting a weekend morning show, will replace Ed Schultz, whose working-class bluster wasn’t always a good fit with MSNBC’s other prime-time shows.

Keith Olbermann Pushing for a Return to ESPN

Sixteen years after leaving ESPN, Keith Olbermann and his representatives have expressed an interest in his return to the employer that made him famous.