How Astronomers Discovered an Unusual Object Pulsing Radio Waves in Space for Decades

In 2018 a doctoral student spotted "a spinning celestial space object," reports CNN. "The unfamiliar object released giant bursts of energy and beamed out radiation three times per hour."
But that was just the beginning...In those moments, it became the brightest source of radio waves viewable from Earth through radio telescopes, acting like a celestial lighthouse. Researchers thought the phenomenon might be a remnant of a collapsed star — either a dense neutron star or a dead white dwarf