The silhouette of US engineer and NASA astronaut Megan McArthur is seen past the NASA logo in the Webb Auditorium at NASA headquarters in Washington, DC. (Photo by STEFANI REYNOLDS/AFP via Getty Images) NASA doesn’t approve of NFTs that use the agency’s imagery NFTs that appear to use NASA imagery are pretty easy to find on digital asset marketplaces. Jul 25, 2023 By Rebecca Heilweil