The mysterious deep space radio signal that's been puzzling scientists for years
A decade ago, scientists on Earth were left baffled by a strange, repeating radio pulses from deep space. New research has ...
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Mysterious X-Ray Flash From Deep Space Baffles Scientists
Astronomers analyzing archived NASA data have stumbled upon a cosmic event unlike anything seen before—a brief but intense X-ray flash from beyond the Milky Way that appeared suddenly and then ...