On review aggregator
Rotten Tomatoes, the film holds an approval rating of based on reviews, with an average rating of . The website's critical consensus reads, "Much like the cosmic debris it investigates,
Fireball: Visitors from Darker Worlds is made up of heavy stuff -- but it lights up the screen thanks to Werner Herzog's infectious awe." On
Metacritic, the film has a weighted average score of 72 out of 100, based on 17 critics. The film received a nomination for the 2020
Critics' Choice Documentary Awards for Best Narration. == References ==