The US carrier, in partnership with AST SpaceMobile, completed a video call without modifying the phone in any special way.

AT&T's (NYSE: T) stock turnaround has been one of the more surprising happenings in the stock market over the past 12 months.

AT&T Inc. is no longer encouraging employees to wear pins that state their favored pronouns and has canceled a series of ...

Investors like the pricing power of wireless carriers — and the potential for AT&T share buybacks later this year.

AT&T forecast first-quarter adjusted profit in line with analysts' estimates on Monday, signaling steady demand for its ...