Thirty Meter Telescope

Astronomy's next generation observatory.

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Recent News

A collection of recent TMT press releases and articles featuring TMT.

TMT’s Infrared Imaging Spectrograph (IRIS) Proceeding to Final Design Phase


Pasadena, CA – Nov. 13, 2017– Following a successful second IRIS Preliminary Design Phase Review (PDR-2) at the TMT Project Office in Pasadena, IRIS is proceeding into its Final Design... more »

TMT Signs Contract with Coherent Inc. to Polish Mirror Blanks * TMT primary mirrors enter production *


Pasadena, November 7, 2017 – Marking a major production milestone, TMT has entered into a contract with Coherent Inc., one of the world’s leading providers of lasers and laser-based... more »

TMT WFOS China Partnership Meeting


Beijing, China (October 16, 2017) – Representatives from the Thirty Meter Telescope’s (TMT’s) Wide-Field Optical Spectrograph (WFOS) team and TMT’s China partners gathered... more »

TMT Communications and Information System Ready to Enter Preliminary Design Phase


Last month, the TMT Communications and Information System (CIS) passed a key test, making it ready to enter its preliminary design phase. A Conceptual Design Review (CoDR) was held at the Project... more »

Hawaii Board of Land and Natural Resources Approves Conservation District Use Permit to Build TMT on Maunakea


The State of Hawaii Board of Land and Natural Resources (BLNR) deliberated and decided to approve a Conservation District Use Permit (CDUP) that would allow construction of the Thirty Meter Telescope... more »

TMT begins investigating the ideas for future instruments


Call for TMT Instrumentation White Papers: The Thirty Meter Telescope Project, in concert with its Scientific Advisory Committee (SAC), announces a call for white papers proposing design studies for... more »

Hawaii Board of Land & Natural Resources Hears Final Arguments in Conservation District Use Permit Contested Case


[Hilo, HI – Sep. 20, 2017] The process to secure a Conservation District Use Permit (CDUP) to build TMT on Maunakea continued in Hawaii, as the state land board – also known as the Board... more »

TMT releases semi-annual payment to the THINK fund in support of Hawaii Island education


HILO, HAWAII – (September 18, 2017) – The Thirty Meter Telescope recently made the second-half of its $1 million annual payment to the THINK Fund, supporting educational opportunities for... more »

First TMT Mirror Segment Installed for Testing


On September 7, 2017, a TMT Primary Segment Assembly (PSA), fitted with an aluminum mirror segment, was successfully installed into the Multi-Segment Integration & Test (MSIT) facility at the TMT... more »



Tomorrow’s extremely large optical-infrared telescopes, TMT and ELT, are enabled by segmented, primary mirrors and advanced multi-conjugate adaptive optics systems. Each primary, active mirror... more »