The California Courier likes to run Facebook ads against Democrats. Its funding, and most of its writers, are a mystery.

Could this mysterious California news site influence the 2026 election? The California Courier uses the name of an established paper and doesn’t disclose apparent Republican ties. Critics call it ...

On a recent Monday, Eric Natividad woke up around 8 a.m., showered, ate breakfast, and braced himself for a day of being tracked. Natividad, 32, is a student at Mt. San Antonio College, which is one ...

The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good. Sign up for Klaxon, a newsletter that ...

This story was copublished with Chalkbeat, a nonprofit news organization covering public education. Sign up for its newsletters here. Last summer, administrators at Bradford High School in Kenosha, ...

The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good. Sign up for Klaxon, a newsletter that ...

The Markup recently launched Blacklight, a free, instant privacy-inspection tool. Enter any website, and it reveals how you may be tracked when you visit the site, names the companies receiving your ...

The new four-bedroom house in Charlotte, N.C., was Crystal Marie and Eskias McDaniels’s personal American dream, the reason they had moved to this Southern town from pricey Los Angeles a few years ago ...

We’ve all experienced slow and inconsistent mobile data connections—speed varies with topography and proximity to cellphone towers, making it hard to measure. We used data from a 2016 FCC study that ...

Facebook’s recommendation algorithm shows different news, groups, and hashtags to different users. But who sees what? Split Screen attempts to answer that question with real world data collected ...

The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good. Sign up for Klaxon, a newsletter that ...