The Wow! Signal, a mysterious 1977 radio burst, is being revisited by scientists who explore a potential link to the ...

Meredith Whittaker remembers exactly where she was when she read the story that would spark the first major crisis of the second Trump Administration—the debacle that became known as Signal-gate. The ...

Pop culture is full of references to messages from outer space. Some of them were friendly attempts at communication, such as the five-note musical sequence transmitted to Earth by aliens in Close ...

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 ...