Attention human. You are receiving an interstellar radio transmission. And it could be coming from one of the nearest ...

Add Yahoo as a preferred source to see more of our stories on Google. Turbulent star environments may broaden alien radio signals, making them harder for SETI to detect. (CREDIT: Shutterstock) Radio ...

One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million citizen scientists and the legendary Arecibo Observatory. Launched in ...

Add Yahoo as a preferred source to see more of our stories on Google. In a series of papers, astronomers have compared the "Wow!" signal to similar radio signals detected at Big Ear Observatory in ...

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 ...