A decade ago, scientists on Earth were left baffled by a strange, repeating radio pulses from deep space. New research has now identified the source of these signals detected between 2015 and 2020, called "long period transients".

In the past three years, astronomers have discovered a mysterious new type of radio source. We call these long-period transients.

Astronomers have spotted a red dwarf star in a system that is almost certainly the source of a radio signal that, for a while, repeated once every 125 minutes. Moreover, there’s evidence of a white dwarf companion.

Earth has been at the receiving end of mysterious radio emissions every two hours. After more than a decade, the source of these signals has finally been identified, nearby the Big Dipper. A new research paper published in Nature Astronomy points to a red dwarf and white dwarf star,

Astronomers have finally traced mysterious radio pulses in the Milky Way to a unique cosmic duo—a red dwarf and a white dwarf orbiting each other every two hours. This discovery challenges previous assumptions that only neutron stars produce such signals.