Readers sent more than 300 questions on data centers. Here we answer why so many projects have sprung up and why they use so much water and power.

Electronic health records (EHRs); insurance claims; patient registries; wearable tech: Never before has health data been so abundant. However, the United States continues to struggle with siloed ...

A trove of breached data, which has now been taken down, includes user logins for platforms including Apple, Google, and Meta. Among the exposed accounts are ones linked to dozens of governments. In ...

A database left accessible to anyone online contained billions of records, including sensitive personal data that criminals ...