The positioning, navigation, and timing (PNT) information is fundamental to modern information systems. Over the years, people have invented many navigation systems to get PNT information, whereas ...

The defense secretary has insisted no classified information was shared. A monthslong investigation into Defense Secretary Pete Hegseth's use of the commercial messaging app Signal is complete and its ...

"Our results don't solve the mystery of the Wow! Signal, but they give us the clearest picture yet of what it was and where it came from." When you purchase through links on our site, we may earn an ...

The "Wow!" signal has been etched with a red marker in the memory of advocates for the search for extraterrestrial intelligence (SETI) since its unveiling in 1977. To this day, it remains one of the ...

The Pentagon’s inspector general has received evidence that the military plans shared from Secretary of Defense Pete Hegseth’s Signal account to a group chat earlier this year were taken from a US ...

The company behind the Signal clone used by at least one Trump administration official was breached earlier this month. The hacker says they got in thanks to a basic misconfiguration. Only he wasn’t ...

TeleMessage, an Israeli company that sells an unofficial Signal message archiving tool used by some U.S. government officials, has suspended all services after reportedly being hacked. Smarsh, the ...

The app facilitated communications in a building where cell service is poor and personal phones are not allowed in some areas. By Eric Schmitt and Greg Jaffe Defense Secretary Pete Hegseth had the ...

After The Atlantic published the contents of a text chat among high-ranking members of the Trump administration about forthcoming airstrikes on Yemen, multiple officials involved conceded that adding ...

Opinion | Tap here to get this newsletter delivered to your inbox. Over the last decade, many of the stories I've heard from K-12 teachers have been both shocking and sad: Back-to-school nights where ...