Astronomers Detect Strange Signals We’ve Never Seen Before in Our Cosmic Vicinity

Something in Earth’s cosmic neighborhood is emitting weird signals of a kind we’ve never seen before. Just 4,000 light-years away, something is flashing radio waves. For roughly 30 to 60 seconds, every 18.18 minutes, it pulses brightly, one of the most luminous objects in the low-frequency radio sky. It matches the profile of no known … Read more