Legal
COSMOS draws on the work of the world's leading space agencies, observatories, and research institutions. This page credits all external sources used for imagery, scientific content, typography, and media on this website. All NASA and ESA imagery is in the public domain unless otherwise noted.
Source for planetary photography, space mission imagery, and astronomical photographs used throughout COSMOS. All NASA imagery is in the public domain.
Source for European mission imagery, Hubble Space Telescope photographs, and deep-space observations.
Source for Hubble Space Telescope images of galaxies, nebulae, and deep-field observations used throughout the site.
Source for planetary mission imagery including Voyager, Cassini, New Horizons, and Mars rover photography.
Source for JWST imagery of galaxies, nebulae, exoplanet atmospheres, and early universe observations.
Primary reference for planetary data, facts, and mission information presented throughout COSMOS.
Reference for exoplanet counts, detection methods, and habitability data used in the Worlds Beyond section.
Reference for Planck CMB data, Gaia star catalogue information, and mission science results.
Reference for gravitational wave detection data and neutron star merger science used in the Universal Phenomena section.
Reference for the search for extraterrestrial intelligence, biosignature research, and astrobiology content in the Are We Alone? section.
Typefaces used throughout COSMOS, served via Google Fonts. These fonts are open-source and freely available.
The hero background video is embedded from YouTube and remains the intellectual property of its original creator. COSMOS does not host or claim ownership of this video.
All scientific facts presented on COSMOS are derived from publicly available research, NASA mission data, and peer-reviewed astrophysics literature. COSMOS is an independent educational project and is not affiliated with NASA, ESA, or any other space agency or institution. If you believe any content should be credited differently, please get in touch.