[3] The magazine was the originator of Hello from Earth, a web-based initiative to send messages from the public, each just 160 characters in length, to Gliese 581d, the (then) nearest Earth-like planet outside the Solar System.
[4] On 1 September 2018, custodianship of the magazine was transferred to Royal Institution of Australia (RiAus), a not-for-profit science media organisation based in Adelaide.
[6] On 14 June 2024, Cosmos, including the quarterly Cosmos Magazine, digital science news service, and the education unit of the Royal Institution of Australia (RiAus) and Scinema was transferred to CSIRO Publishing, the independent publishing arm of the CSIRO, Australia's national science agency.
[7][8] During the following month, 6 AI generated articles made using GPT-4 were published to its website, garnering criticism from its contributors, who said they had not been informed of the decision, as well as its cofounders.
[9] Writers whose work have featured include Margaret Wertheim, Jared Diamond, Tim Flannery, Richard Dawkins, Edward O. Wilson, Michio Kaku, Susan Greenfield, Steven Pinker, Paul Davies, Simon Singh and Oliver Sacks.