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 ...

Signal has been the most high-profile app in the news lately because of the controversy surrounding its use by Defense Secretary Pete Hegseth. Signal is a secure messaging platform known for ...

The chat app, which is run by a nonprofit foundation, has been downloaded 220 million times. Here's what to know about Signal, including who owns it and whether it's safe to use. The messaging app ...

Q: What’s the difference between Signal and WhatsApp, and should I switch? A: Until recent news involving the Signal app, it was a relatively unknown messaging app compared to WhatsApp to many ...

Q: What’s the difference between Signal and WhatsApp, and should I switch? A: Until recent news involving the Signal app, it was a relatively unknown messaging platform to many nontechnical users ...

Still, when cities go dark, WhatsApp, Signal, and previously, Skype, have served as technological life rafts that keep aid ...

WASHINGTON (AP) — The Pentagon’s acting inspector general announced Thursday that he would review Defense Secretary Pete Hegseth’s use of the Signal messaging app to convey plans for a military strike ...

The “knock-off” Signal app Mike Waltz was caught using, which lacks security guarantees, can be hacked in “15 to 20 minutes,” according to a report. “I would say the whole process took about 15 to 20 ...

Encrypted messaging app Signal continues to see spiking downloads in the wake of the messaging scandal that saw The Atlantic’s editor-in-chief Jeffrey Goldberg added to a group chat where high-ranking ...