Harvard University is offering free online courses for learners in artificial intelligence, data science, and programming.

It’s easy to get swept up in the hype about artificial intelligence tutors. But the evidence so far suggests caution. Some studies have found that chatbot tutors can backfire because students lean on ...

Work you complete in the non-credit experience will transfer to the for-credit experience when you upgrade and pay tuition. See How It Works for details. A previous version of Machine Learning: Theory ...