Citizen-science project Vanishing stars opens skies to public Stars don't have to disappear. However, many bright objects once visible in the sky in 1950s do not anymore. Scientists have turned to citizen science to help solve this mystery. This field allows anyone of any age to participate in scientific research projects that answer real scientific questions about the world, Earth, or space. The Vanishing & Appearing Sources During a Century of Observations citizen science project (VASCO), was launched in 2017. It dives into archives to find out how the stars are evolving. "In the citizen science program, we compare images…