CBS reports that a mysterious objects keeps drifting between Kepler telescope and a distant star. The first thought that’s popping into your head (a planet probably) would explain it…except whatever is out there is blocking off way more light than planets orbiting their mother star ought to.
Theories of alien civilizations and megastructures have started to appear, alongside comets, asteroids, and debris from a planetary collision. Dr. Michio Kaku on CBS suggested it could be a structure to absorb sunlight. At the moment, however, it is still a mystery being considered.