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 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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TIO Staff Enjoyed AstroDay Hilo
May 4th, 2025 Education & Outreach

TIO staff enjoyed their time at AstroDay Hilo.

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Managing the Science and Technical Data for TMT
December 18th, 2024

TMT data mangement team passed their final design review for the data management system.

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Response to the NSF's US-ELTP External Evaluation Panel Report
December 11th, 2024 TMT Partner News

The US-ELTP's response to the NSF's US-ELTP External Evaluation Panel Report.