The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Federal authorities are offering a reward of up to $10 million for information leading to the identification or location of a ...

The State Department released the chat last week, recovered from Rubio and Needham's phones, after a legal challenge by the ...

The FBI and CISA are warning that a phishing campaign targeting Signal users tied to Russian intelligence services has ...

The new open-source project could serve as the basis for a future of apps with features as complex as Slack, Discord, or Google Docs—but with added protection against surveillance.

The Trump administration is facing heavy blowback for using Signal, a messaging app, to discuss sensitive military plans. On March 24, officials’ usage of the app was revealed after The Atlantic ...

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Over the last few years, Signal has become one of the most popular messaging apps. Favored by tech giants, cybersecurity experts, journalists, government officials, and many more, Signal has gone from ...

SignalGate, as it's come to be called, may be the biggest scandal to hit the Trump administration in its first months in power. But it's been great for Signal. Since the news broke on Monday that ...

When top White House defense and national security leaders discussed plans for an attack on targets in Yemen over the messaging app Signal, it raised many questions about operational security and ...

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 ...