One of the most popular websites from NASA is the Astronomy Picture of the Day.
Only the current version so far — new entries appear as the app ships updates.
Space Today - Nasa Astronomy P is an entertainment app by PauloHDSousa with 100+ downloads (about 208 estimated). Released Jan 15, 2020. Install growth, rank history, SDKs and ad networks.
From the store listing: “One of NASA's most popular websites can now be accessed by app.”