To meet the growing needs of his church, Justin Lester created an A.I. duplicate of himself. Every day he sees more people using it.

We look at the ongoing fight between the Trump administration and James Comey.

An upgrade transformed the beleaguered virtual assistant into a modern chatbot. It’s imperfect but worth trying.

“Healthy” confections, whether marketed as “better-for-you” or “functional,” have overwhelmed grocery and convenience stores, and even found their way into gyms and supplement shops.

Show trials are bad for democracy.

A warming planet and a shift away from farming have set the stage for larger fires on the continent. “We must learn to coexist with them,” one report said.

Traveling with friends can be tricky. We’re curious how you manage financial friction — and how you make sure your besties settle up.