It would seem Mariah Carey is just a bit spacey, since the diva extraordinaire missed some pretty big news recently in the worlds of both pop culture and science.

Kelley Mack, an American TV actress who appeared in AMC’s “The Walking Dead,” “9-1-1” and “Chicago Med,” died on Aug. 2. She was 33. Her family reported in a statement that Mack died in her hometown of Cincinnati after a battle with glioma of the central nervous system. Mack graduated from Hinsdale Central High School …

Carey learns about Katy Perry’s Blue Origin space trip months later and delivers a priceless, deadpan reaction live.