<p>Radio Star Astronomers say they've detected a mysterious type of signal known as a fast radio burst coming from a dead galaxy billions of light years away. Figuratively speaking, it makes for one hell of a sign of life The findings, documented in two studies published in The Astrophysical Journal Letters, upends the long held belief that FRBs — extremely powerful pulses of energy — originate exclusively from star forming regions of space, as dead galaxies no longer support the birth of new stars.  Adding to the seeming improbability of the FRB's origin, the researchers believe that the signal's source […]</p>