Technology

Companies like OpenAI and China’s DeepSeek offer chatbots designed to take their time with an answer. Here’s how they work. Read full article

With a national ban unlikely, let’s reflect on how the app both sparks joy among users and raises mental health concerns. Read full article

A journalist’s inclusion in a national security discussion served as a reminder that you might not know every number in the chat — and that could be a big problem. Read full article

The app, which was introduced in 2014 and has hundreds of millions of users, is widely viewed as the safest messaging tool because of its encryption technology. Read full article

The company’s chatbot can now create elaborate and unusual images. Read full article

Mr. Han was co-chief executive and oversaw the company’s consumer electronics business since 2021. Read full article

President Trump’s first four years in the White House were filled with falsehoods. Now he and those around him are using false claims to justify their policy changes. Read full article

Nvidia showcased robots that could work in warehouses, pedal around like ‘Star Wars’ droids and manipulate surgical equipment at its weeklong A.I. conference Read full article

A specious theory on pardons had help from the conservative Heritage Foundation before President Trump and right-wing influencers amplified it. Read full article

Paleontologists hope that an amber-like material, made with living tree resin, will shed light on the prehistoric fossilization of the real stuff. Read full article