Add Yahoo as a preferred source to see more of our stories on Google. Scientists from the University of California at Berkeley are using the 500-meter Aperture Spherical Telescope in China to check ...

・Most alien-signal searches listen to a narrow part of the radio spectrum, but astronomers are now testing higher frequencies that have barely been explored. ・A first search using archived ALMA ...

The search for alien radio signals has spent decades listening in a familiar part of the spectrum. A first-of-its-kind survey now suggests that unexplored higher frequencies could widen the hunt, ...