[4] Unlike many early internet-based citizen science projects (such as SETI@home) which used spare computer processing power to analyse data, known as volunteer computing, Zooniverse projects require the active participation of human volunteers to complete research tasks.

Projects have been drawn from disciplines including astronomy, ecology, cell biology, humanities, and climate science.

[5] As of 14 February 2014[update], the Zooniverse community consisted of more than 1 million registered volunteers.

of the project, Chris Lintott, published a book called The Crowd & the Cosmos: Adventures in the Zooniverse in 2019.

[13] date 2022 This data will become part of the Minnesota Biodiversity Atlas, the permanent digital record of the Bell Museum of Natural History's collections.