Astronomers have reported the discovery of a mysterious object in deep space that emits radio signals and X-rays in a ...

Their diameters are comparable to the size of a city like Chicago or Atlanta, but they are incredibly dense ... factor into the cause of the repeating FRB’s pattern. Understanding fast radio ...

Earth's dense metal core is ... authors focussed on events called repeating earthquake - seismic events which occur at the same location to produce identical patterns in recordings called seismograms.

The fact that the signal is repeating at such a leisurely pace is ... The stellar remnant that remains is so dense that it packs 1.4 times the mass of our Sun into a ball just 20 kilometers ...