The Wikimedia Foundation suffered a security incident today after a self-propagating JavaScript worm began vandalizing pages and modifying user scripts across multiple wikis.

Learn how the DOM structures your page, how JavaScript can change it during rendering, and how to verify what Google actually sees.

Add Yahoo as a preferred source to see more of our stories on Google. Schools across the country are canceling their annual picture day after the ex-owner of one of the nation’s largest school ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the nation’s largest school photography companies is facing canceled photo shoots and district-wide investigations amid ...

The first in a weekly series exploring where we’re headed one number at a time. Five years ago when we started Headway, an initiative at The Times that considers the world’s challenges through the ...