Verizon said it resolved an system failure that disrupted many U.S. customers' calling and other cellular services for more than 10 hours on Wednesday.

Power system failure analysis and diagnostics constitute a critical field within electrical engineering, addressing the reliability and safety of the complex networks that underpin modern society. In ...

SPRINGFIELD, Ill. — A “system failure” caused a nationwide outage on Wednesday that impacted U.S. passport verification, but has since been resolved. Giannoulias posted a notice to “X” around 9:30 a.m ...

Failure in the underground electrical system near Capitol Hill Station caused a limited but significant outage Sunday. It took Seattle City Light crews most of the day to restore power to the more ...