TMT is committed to a community model of astronomy based on the values of respect and mutual stewardship.
Read the continuing story about how TMT is the best in the world at what it does.
Maunakea is a truly unique place and TMT is part of the Hawai驶i community and firmly believes it is our kuleana (responsibility) to be active supporters of that community.
TMT is an extraordinary international scientific endeavor that will revolutionize our understanding of the universe and our place within it.
A new collection of international white papers submitted to 鈥淓SO Expanding Horizons: Transforming Astronomy in the 2040s鈥� showcases the extraordinary scientific potential of a 30鈥�40 meter class Extremely Large Telescope (ELT) in the Northern Hemisphere and highlights the unique contribution the Thirty Meter Telescope would make to global astronomy.
The Thirty Meter Telescope (TMT) International Observatory (TIO) is pleased to announce the successful completion of Final Design Review鈥�1 (FDR-1) for the InfraRed Imaging Spectrograph (IRIS), held on December 8鈥�9, 2025.
TMT is exploring a promising avenue for a new observatory based in Spain.
