Twitter Sued Over Data Breach After Hack Site Claims 200 Million Compromised Accounts

New Yorker Stephen Gerber is seeking class-action status for everyone whose personal information was leaked. Read more »

Elon Musk’s Next Drama: A Trial Over His Tweets About Tesla

Musk claimed in a August 2018 tweet that he had lined up the financing to pay for a $72 billion buyout of Tesla, which never materialized. Read more »

The Tonga Eruption Is Still Revealing New Volcanic Dangers

One year later, researchers are still marveling at the power of the Hunga Tonga explosion—and wondering how to monitor hundreds of other undersea volcanoes. Read more »

Robots With a Human Touch? Yes, Please

To succeed in home settings, domestic mechanical assistants will need humanoid attributes. Read more »

This Seriously Hipster Bean Is Coffee’s Best Hope for Survival

Climate change is straining the world’s two favorite coffee species. Could a resilient 19th-century alternative solve the brew’s existential crisis? Read more »

All the Data Apple Collects About You—and How to Limit It

Cupertino puts privacy first in a lot of its products. But the company still gathers a bunch of your information. Read more »