xAI released Grok 4.1, the latest edition of its line of AI models, with claims that it is faster, wittier, and more emotionally sophisticated than not only its predecessors, but its rivals. With its ...

Demand for the mental health unit’s insurance offering accelerated faster than expected, eating into its cash pay business.

The ranger will describe the story of the 60 years William and Frances Keys spent working and raising their five children in ...

Today is my last in space. It’s March 1, 2016, and I’ve been up here for 340 days, along with my colleague and friend Mikhail “Misha” Kornienko. In my time onboard the International Space Station ...

I spent months testing nine robot lawn mowers in my tricky backyard. Here are the five that handled it best. Editors’ note, ...