After the shit he's seen these clouds do, Peter can't really blame himself for being overly cautious either. He does manage to relax a little bit, but it's mostly just because he has a job to focus on right now.

"Uh, study, actually. I'm gonna take some of this crap back to R&D, see if I can't run a few scans on it, maybe confirm a theory or two."

He just seems a tiny bit hesitant to dive right in. It's some spooky shit, okay, he just needs a minute to psych himself up.