WSJ’s Shelby Holliday breaks down the training, equipment and operations of the Marine Corps’ Expeditionary Units as several get deployed to the Middle East amid a war with Iran. Photo: Lance Cpl.

This is an edition of the WSJ Technology newsletter, a weekly digest of tech columns, big stories and personal tech advice. If you’re not subscribed, sign up here. I cover cybersecurity. That means I ...

The flood of data centers signaling interest in Texas keeps growing to ever more impossible heights, prompting questions and anxiety about how the state’s power grid can keep up. To manage this growth ...

File syncing and storage services, also known as cloud storage services, offer major convenience. They let you back up and access your data—documents, photos, video, and other file types—on any ...

Health care providers are a key source for health information. Smaller shares get health information from social media and AI. When a breaking news event happens, 36% of U.S. adults say they typically ...