Marissa Mayer issued an apology on Friday after a hardware outage prevented some of its users from accessing Yahoo Mail for almost a week. On...

Yahoo's email service has been unavailable to some users since Monday night due to a hardware problem that the Internet company said has been harder...

Katie Couric, who has hosted high-profile programs on all three major U.S. television networks, is joining Yahoo as Global Anchor, the company announced today. Beginning...

Yahoo has decided to encrypt all information taht moves across its servers, the company's CEO Marissa Mayer said on Monday. The move follows a number...

The union representing German journalists advised its members on Thursday to stop using Google and Yahoo because of reported snooping by U.S. and...

For the third month in a row, more Americans visited Yahoo's websites than Google's, according to comScore's Internet traffic data for September. The research firm...

Yahoo! reported third-quarter profit that topped analysts’ estimates as advertising helped boost the turnaround efforts by Chief Executive Officer Marissa Mayer. Profit was 34 cents...

AOL, Microsoft and Yahoo on Tuesday announced that they have each committed to converge around a common set of API specifications for the programmatic digital...

Yahoo Japan has developed an Internet search that links to a 3D printer, letting users look online for blueprints to deliver 3D objects, the company...

Yahoo CEO Marissa Mayer on Wednesday said that the Internet company had about 800 million worldwide users, a 20 percent increase since she left Google...