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This Harvard astronomer’s theory on aliens earned him ridicule. Here’s why he’s standing by it | Boston Globe
‘Oumuamua: ‘Big Dumb Rock’ or Alien Spy Ship? Scientists Spar Over Mystery Interstellar Object | The Daily Beast
I was interviewed by science writer Jesse Emspak for this piece in New Scientist about the "missing satellites" problem in cosmology. My short take: the problem is becoming not a problem. Read more here.