You have probably heard "Number nine... number nine... " looping in that unsettling, hypnotic way. Maybe it made you uneasy. Maybe you skipped it. Or maybe, like millions of curious listeners, you ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

Add Yahoo as a preferred source to see more of our stories on Google. For decades, humanity has scoured the cosmos for any signs that we aren't alone in the universe. But now, researchers at the SETI ...