Signal is back in the headlines, but this time it's not for a security breach, but rather a high-profile example of how it's designed to work. Recent news highlighted an incident where classified ...

Due to apparent problems with Amazon's cloud computing service, numerous other providers experienced disruptions on Monday ...

Signal's file size limits change depending on what device you're using, and what you're trying to share.

After messages from Mike Waltz's leaked chat on the Signal app went massively public months ago, he was ousted as President Donald Trump's top national security adviser. Now, he's up for a new ...

Meredith Whittaker is using the AWS outage as an opportunity to highlight the ‘concentration of power’ in the cloud ...

You can invite someone to Signal using the "Invite Friends" menu in the app, which will send a text message or email.

TeleMessage, an instant communications app used by some US Government officials, has reportedly been hacked, with private messages stolen. A report from 404 Media says a hacker broke into, and stole ...

Amazon Web Services, a cloud platform that supports a portion of the internet, experienced a massive outage on Monday.

Former national security adviser Mike Waltz was photographed using a Signal-like messaging app during Wednesday’s Cabinet meeting, more than a month after he first came under intense scrutiny for ...

Some strategies on how to best use Signal to keep your messaging secure. Some strategies on how to best use Signal to keep your messaging secure. is a senior science reporter covering energy and the ...