Artist's illustration showing a cloud of comet fragments blocking light from a star — one of the possible explanations for the strange, occasional dimming of KIC 8462852, also known as “Tabby’s Star.”
The more scientists learn about "Tabby's Star," the more mysterious the bizarre object gets.
Newly analyzed observations by NASA's planet-hunting Kepler space telescope show that the star KIC 8462852 — whose occasional, dramatic dips in brightness still have astronomers scratching their heads — has also dimmed overall during the last few years.
"The steady brightness change in KIC 8462852 is pretty astounding," study lead authorBen Montet, of the California Institute of Technology in Pasadena, said in a statement. [13 Ways to Hunt Intelligent Alien Life]