Add Yahoo as a preferred source to see more of our stories on Google. A mysterious signal recorded by an Ohio State University astronomer in 1977 is getting a fictional explanation thanks to "3 Body ...

Add Yahoo as a preferred source to see more of our stories on Google. A printout sheet with the word "Wow!" written in red. The Wow! signal is one of the great astronomy puzzles of the past 50 years, ...

In 1977, astronomers received a powerful, peculiar radio signal from the direction of the constellation Sagittarius. Its frequency was the same as neutral hydrogen, and astronomers had speculated that ...

Recap: Back in 1977, a unique radio signal from deep space got astronomers all riled up about the possibility of first contact with intelligent aliens. It all began when astronomer Jerry Ehman ...

The “Wow!” signal is one of the most famous unexplained radio signals ever recorded, and it still fuels debate decades later. The strangest part is that it was detected only once, for a short moment, ...