51³Ô¹ÏPro

Thirty Meter Telescope

Astronomy's Next-Generation Observatory

TMT's Mission and Values

TMT is committed to a community model of astronomy based on the values of respect, inclusion, and mutual stewardship.

TMT's Science and Technology

TMT is an extraordinary international scientific endeavor that will revolutionize our understanding of the universe and our place within it.

Maunakea

Maunakea is a truly unique place.

Community

TMT staff are part of the Hawaiʻi community and TMT firmly believes it is our kuleana (responsibility) to be active supporters of that community.

Latest From TMT

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Successful Preliminary Design Review of TMT's Secondary Mirror Support System and Positioner Assembly
August 12th, 2024 Engineering & Technology

The TIO Secondary Mirror Support System and Positioner Assembly team successfully completed its Preliminary Design Review on 2024 July 15–17.

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TIO remembers Ed Stone
July 23rd, 2024

TIO quotes about Ed Stone, fhe first executive director of TIO.

July 2nd, 2024

Caltech announces the physical decommissioning of the Caltech Submillimeter Observatory from Maunakea.