Yahoo and its advertisers want to know what kind of fan will be watching.

CEO Marissa Mayer has been at the helm for three years. Is it time for her to go?

The IRS could hamper Yahoo's plans to divest its stake without paying big taxes.

Apple's earnings surged, but its performance didn't meet analysts' expectations.

Through a mobile app, Yahoo will now let fantasy sports players make daily bets.

Investors are looking for signs the strengthening U.S. dollar is hurting profits.

The search business is huge, and it's kept mobile rivals together … for now.

Author Nicholas Carlson talks about his new book and the struggle to revitalize aging tech company Yahoo.

Mozilla switches the default search engine for Firefox from Google to Yahoo, aligning with a partner that agrees to follow its "do not track" ethos.

Yahoo posts its earnings today. Is Marissa Mayer's strategy paying off?