Now available: the entire library of Khan Academy videos, complete with Common Core exercises and instant feedback.
The former Credit Suisse banker will report directly to CEO Evan Spiegel and head up the social network's strategic vision.
The College Board announces a revamped SAT and a partnership with Khan Academy. CNET's Sumi Das talks to founder Sal Khan about how the online learning site hopes to improve college opportunities for students, and its work with the White House.
Producer Adi Shankar's violent new vision of the kiddie franchise "Power Rangers" returns to YouTube after a copyright kerfuffle, but it comes with restrictions.
Blood, drugs and curse words go flying in a bootleg "Power Rangers" short that is strictly for grown-up fans.
The popular messaging app, known for missives that vaporize after a set time, will begin serving its users multimedia content from CNN, ESPN, Food Network and more.
As well as playing Scotty, the "Shaun of the Dead" star steps from the engine room to the writer's chair along with Doug Jung.
Actor Benedict Cumberbatch reveals his feelings about playing comic book superhero Doctor Strange and why he notices genius Alan Turing's influence in unexpected places.
Need a geeky gingerbread treat? Make it so with this tasty "Star Trek" tribute to the U.S.S. Enterprise made by Trekkie bakers.
The streaming-video service delivers medieval sex and violence to rival the best of Westeros in its latest original show, as it vies to rule premium online video on the global stage.