Melting Moon Could Explain Behavior of Universe's Most Mysterious Star

Remember the strange dimming of Tabby's Star that no one could explain? Well, Columbia University researchers think the culprit is an orphaned exomoon's 'slow annihilation' after getting pulled into the star's orbit.
Published: 9:28 AM PDT September 18, 2019
Updated: 8:56 AM PDT September 18, 2019