Butler County Fire District’s fire chief caught video of why drivers should wait for crossing arms to fully raise before ...

The signal system keeps the subways running, but it’s old and complicated, contributing to many delays.  The light you see from the platform is part of the signal ...

The encrypted messaging app Signal is receiving renewed attention after high-level members of President Donald Trump’s administration inadvertently added a journalist to a group chat discussing ...

A popular messaging app called Signal was recently the preferred communications platform for top officials in the Trump administration to discuss secret war plans. But the use of the app ...

On Monday, The Atlantic's editor-in-chief, Jeffrey Goldberg, reported that he had been added to a Signal conversation with Trump administration officials—including Defense Secretary Pete Hegseth ...

If you hadn’t heard of Signal before Monday, chances are you have now. The secure messaging app, available for iPhones and Android devices, has long been popular with journalists because of its ...

Ukrainian sabotage teams in Russian territory disrupt railroad movement by damaging key elements of the railroad signals and communications systems. This makes the railroads less reliable and often ...

Scandal surrounding the Trump administration’s Signal group chat has led to a landmark week for the encrypted messaging app’s adoption—its “largest US growth moment by a massive margin.” ...

President Donald Trump appeared to place the blame for the Signal chat scandal on national security advisor Mike Waltz. The president was asked who was responsible for the scandal while signing an ...

The National Park Service on Monday returned an image of and quote from Harriet Tubman to a webpage about the Underground Railroad, following backlash after her presence on the page was ...

Top Trump administration officials accidentally shared highly sensitive attack plans on Iranian-backed militants in Yemen with a journalist on the messaging app Signal. Signal is a free ...

As that name becomes a shorthand for the biggest public blunder of the second Trump administration to date, however, security and privacy experts who have promoted Signal as the best encrypted ...