- Astronomiæ Instauratæ Mechanica - Digital edition of original book, with illustrations and introduction.
- Brahe, Tycho - Link collection, mainly biographies.
- MacTutor History of Mathematics: Tycho Brahe - Short article of his life and work.
- Rundetaarn: Tycho Brahe - Concise timeline of his life and accomplishments.
- The Galileo Project: Tycho Brahe - Illustrated article with references.
- The Noble Dane: Images of Tycho Brahe - An exhibition at the Museum of the History of Science, Oxford.
- Tycho Brahe - Official website providing details of his life and scientific work. Presented by the city of Landskrona.
- Tycho Brahe - About his achievements, life and world system. From the Swedish society Tycho Brahes Glada Vänner.
- Tycho Brahe and Johannes Kepler - Short biographies. Lecture notes from the course "Galileo and Einstein".
- Tycho Brahe: A King amongst Astronomers - Article by David Plant outlining the astronomer's life and achievements and his association with Johannes Kepler.
