I think this is the article: https://www.the-independent.com/tech/hubble-space-telescope-nasa-universe-b2083376.html

Issue seems to continue to be with discrepancies in the rate of the universe’s expansion.

“There is a key difference between the rate of the expansion of the universe as it is around us, when compared with observations from right after the Big Bang”.

“Scientists are unable to explain that discrepancy. But it suggests there is “something weird” going in our universe, that could be the result of unknown, new physics, Nasa says”.

The zodiac killer thing was a joke at first. It was focused on the odd way he would talk, comparing mannerisms with that if the zodiac killer.

I’m not aware of it ever being said. But I’ve noticed a lot of conspiracies seem to originate from a joke that others don’t get.