The Spaceflight News API (SNAPI) by The Space Devs (TSD) is the most complete and up-to-date open spaceflight news API. It aggregates articles, blogs, and reports from 40+ news sites (NASA, ESA, SpaceX, Spaceflight Now, SpaceNews, Ars Technica, Reuters, and more) and exposes them through a public REST API (and a GraphQL endpoint). - View it on GitHub