How Student Phones and Social Media Are Fueling Fights in Schools

Cafeteria melees. Students kicked in the head. Injured educators. Technology is stoking cycles of violence in schools across the United States.

TikTok Faces U.S. Ban After Appeals Court Denies Bid to Overturn New Law

The law will ban the video app in the United States by Jan. 19 if its owner, ByteDance, does not sell it to a non-Chinese company.

Substack’s Bet on Politics Newsletters Leads to Subscriber Growth

The newsletter start-up, which once drew an overture from Elon Musk, is betting on politics content and recruiting stars. But profits remain elusive.

How Elon Musk Cuts Costs at Tesla, SpaceX and X

Mr. Musk dug into his companies’ budgets, preferring to cut too much rather than too little and to deal with the fallout later. Under Donald Trump, he is set to apply those tactics to the U.S. government.

Right-Wing Groups Are Organizing on Telegram Ahead of Election Day

Right-wing groups, which use Telegram to organize real-world actions, are urging followers to watch the polls and stand up for their rights, in a harbinger of potential chaos.