Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

Solar storms around distant stars may be erasing alien radio signals before we ever hear them In A Nutshell Stellar winds and ...

If Earth’s astronomical observatories were to pick up a signal from outer space, it would require an all-hands-on-deck effort to untangle and decipher the extraterrestrial message. An art project from ...

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

Add Yahoo as a preferred source to see more of our stories on Google. A “coherent” radio signal has been detected from an alien planet, suggesting it could be more likely to be habitable. The signal ...

Imagine the terror if a celestial visitor was not only on a collision course with Earth but also sending a mysterious radio signal. While the latest interstellar ...

A group looking for alien communications among radio signals in space wants more help from home computers to crunch data. The Search for Extraterrestrial Intelligence at Home, known as SETI@home, ...

If it were a phone call, we might call it a butt dial: A strong radio signal that set off questions about whether it emanated from an advanced alien race earlier this week is now believed to have come ...