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Observatory

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Iconic solar telescope revamped as newest Kitt Peak attraction
Stories from the Arizona Daily Star's Instagram

Iconic solar telescope revamped as newest Kitt Peak attraction

  • Henry Brean
  • Updated Dec 17, 2025

Kitt Peak is opening a new science center for visitors at a unique location: inside the observatory's distinctive, acute-angle-shaped McMath–Pierce solar telescope.

Letter: Re: the March 9. article “Letter: The Filibuster in the U.S. Senate Should be Eliminated”
Letters to the Editor

Letter: Re: the March 9. article “Letter: The Filibuster in the U.S. Senate Should be Eliminated”

  • Bruce Joffe, South Tucson
  • Aug 13, 2025

USA operates the best observatories in the world, on ground and in space, that study our planet, Earth. That's about to change. Trump's budget…

Tucson Speaks Out: August 12
Letters to the Editor

Tucson Speaks Out: August 12

  • Aug 13, 2025

These are the first images from new telescope in Chile with Tucson ties
Subscriber

These are the first images from new telescope in Chile with Tucson ties

  • Henry Brean
  • Updated Jul 8, 2025

For Star subscribers: Scientists unveiled the first images from what they are calling “the greatest astronomical discovery machine ever built," and there are plenty of Tucson connections.

Webb Telescope spies record number of stars billions of light years away
Subscriber

Webb Telescope spies record number of stars billions of light years away

  • Henry Brean
  • Updated Feb 16, 2026

The powerful, Tucson-born infrared eyes of the James Webb Space Telescope have notched another record for long-range viewing: the largest number of individual stars ever detected in the distant universe.

Whipple Observatory south of Tucson reopens after four years
Local news

Whipple Observatory south of Tucson reopens after four years

  • Henry Brean
  • Updated Nov 9, 2025

The Science Center at Whipple Observatory in the Santa Rita Mountains south of Tucson reopened to the public after a four-year COVID closure, but mountaintop telescope tours have not resumed.

Kitt Peak celebrates 60 years of telescope tourism
Local news

Kitt Peak celebrates 60 years of telescope tourism

  • Henry Brean
  • Updated Nov 3, 2025

Kitt Peak National Observatory is celebrating 60 years of welcoming visitors to the moutnaintop collection of telescopes 55 miles southwest of Tucson.

Snow in Tucson 1966-2

Snow in Tucson 1966-2

  • Mike Doe
  • Updated Dec 19, 2023
Kitt Peak 1975 (Time Machine newsletter copy)

Kitt Peak 1975 (Time Machine newsletter copy)

  • Updated Sep 19, 2023

The 4-meter Mayall Telescope, left, at Kitt Peak National Observatory in 1975.

New space telescope reaches final stop
Latest Headlines

New space telescope reaches final stop

  • Updated Jan 24, 2022

The world's biggest, most powerful space telescope arrived at its observation post 1 million miles from Earth on Monday, a month after it lift…

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