For more information about TMT Hawaii, please visit https://www.maunakeaandtmt.org and https://www.maunakeaandtmt.org/get-the-facts

Thirty Meter Telescope

Astronomy's Next-Generation Observatory
Highlights

Explore the latest news, events and announcements from the TMT International Observatory

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August 21st, 2019 • Artwork
TMT Science Forum 2019
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August 19th, 2019 • Associate Project Manager Blog
Searching for Leviathan, Part 3: How Big?
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August 19th, 2019 • Press Coverage
TMT: Separating Fact from Myth
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August 5th, 2019 • Press Coverage
Claims about TMT’s impact on watershed are just plain false, according to expert, EIS
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August 2nd, 2019 • Press Coverage
Fact-Checking Environmental Concerns About The Thirty Meter Telescope
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July 26th, 2019 • News
TMT Scientific Advisory Committee Meets in Pasadena
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July 23rd, 2019
TMT e-Newsletter: News about TMT in Hawaii
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July 18th, 2019 • Press Coverage
TMT Means Progress For Hawaii’s Future
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July 9th, 2019 • News
Facts about the TMT construction in Hawaii
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July 16th, 2019 • Press Coverage
Local support for Thirty Meter Telescope has been strong for years
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July 16th, 2019 • Press Coverage
Supporters of TMT voice their opinion regarding construction
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August 18th, 2019 • Associate Project Manager Blog
Searching for Leviathan, Part 2: Where To Look, and How Old Is It?
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July 10th, 2019 • News
GOVERNOR’S OFFICE – JOINT NEWS RELEASE – THIRTY METER TELESCOPE SET TO START CONSTRUCTION
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July 9th, 2019 • News
Coffee Chat on Mirror Segment Fabrication
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June 27th, 2019 • News
Subscribe for TMT Newsletter and stay up to date on TMT News
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June 25th, 2019 • News
Mission to Mars & Beyond
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June 25th, 2019 • Associate Project Manager Blog
Searching for Leviathan, Part 1: Origins
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June 24th, 2019 • News
Segment Support Assembly (SSA) Pre-Construction Meeting at Larsen & Toubro in India
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June 21st, 2019 • Press Coverage
DLNR issued notice to proceed on Thirty Meter Telescope yesterday

What is TMT?

The Thirty Meter Telescope is a new class of extremely large telescopes that will allow us to see deeper into space and observe cosmic objects with unprecedented sensitivity.

What will TMT Explore?

TMT will be a unique tool for probing many outstanding open questions in astronomy.

Who is building TMT?

The Thirty Meter Telescope is being designed and developed by the TMT International Observatory LLC (TIO).

Our Story So Far...

The Board of the Thirty Meter Telescope selected Maunakea in July 2009 after a rigorous five-year campaign spanning the entire globe that measured virtually every atmospheric feature that might affect the performance of the telescope.

Latest From TMT

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TMT Scientific Advisory Committee Meets in Pasadena
July 26th, 2019 Science & Astronomy

Pasadena, CA – July 10, 2019 – TMT Science Advisory Committee (SAC) members and project office scientists recently met in Pasadena. The meeting kicked off with a project update by TMT Project Manager Gary Sanders.

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GOVERNOR’S OFFICE – JOINT NEWS RELEASE – THIRTY METER TELESCOPE SET TO START CONSTRUCTION
July 10th, 2019

HONOLULU – Gov. David Ige and the Thirty Meter Telescope International Observatory (TIO) today announced that construction of the Thirty Meter Telescope (TMT) will begin the week of July 15, 2019. The State Department of Transportation announced that Mauna Kea Access Road will be closed and there could be lane and other road closures associated with large equipment movement beginning July 15. In addition, hunting units A, K, and G in the...

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Facts about the TMT construction in Hawaii
July 9th, 2019 Science & Astronomy

For more information on TMT update in Hawaii, please visit https://www.maunakeaandtmt.org/.

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Coffee Chat on Mirror Segment Fabrication
July 9th, 2019 Engineering & Technology

TMT staff Glen Cole and Christophe Dumas have a coffee-break conversation about Glen’s last trip to Japan and update on TMT mirrors fabrication and verification.

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Subscribe for TMT Newsletter and stay up to date on TMT News
June 27th, 2019

We are pleased to announce the launch of our email newsletter.