The company’s A.I.-generated answers look authoritative, but they draw on an array of sources, from trustworthy sites to Facebook posts.

A group of new accounts on the prediction market Polymarket made highly specific, well-timed bets on whether the U.S. and ...

Nickel is a key ingredient in most electric vehicle batteries, conferring high-energy density and long range at a relatively low cost. But the damaging impact of the mineral’s extraction on ...

How many times have you gotten a call from an unknown number? This is a frequent occurrence for many people, especially with the rise of imposter spam calls contacting hundreds of cell phones at once.