Over the past decade, the free instructional website Khan Academy has transformed how tens of millions of students across the globe perceive and approach math. Now, it’s pursuing a bigger aim: ...

(CBS News) Sal Khan is a math, science, and history teacher to millions of students, yet none have ever seen his face. Khan is the voice and brains behind Khan Academy, a free online tutoring site ...

Where should you go online to advance your understanding of a topic or study something new? For academic subjects, start with the excellent Khan Academy. It's one of the best online learning services, ...

"If I'm down three with 30 seconds left, is it better to take the three or easier to take the two and attempt to foul a bad free-throw shooter and get another possession?" This is just one of eight ...

"This," says Matthew Carpenter, "is my favorite exercise." I peer over his shoulder at his laptop screen to see the math problem the fifth grader is pondering. It's an inverse trigonometric function: ...

Opinions expressed by Entrepreneur contributors are their own. This may surprise you, but Sal Khan used to skip classes at MIT. They were too long and boring, he often thought, particularly lectures. ...