Latest News
MMT Science Symposium, April 7-9, 2026
Feb 17, 2026
The MMT Observatory is hosting a MMT Science Symposium on April 7-9, 2026, on the University of Arizona campus in Tucson, AZ.
MMT Observing Schedule: February 2026 – July 2026
Jan 09, 2026
The observing schedule for February 2026 – July 2026 can be found here.
MMT in the News
Aug 29, 2025
MMT Binospec observations of the location of the brightest fast radio burst (FRB) by our colleagues at Northwestern University are highlighted at CNN and Sky & Telescope.
MMT Observing Schedule: August 2025 – January 2026
Jul 07, 2025
The observing schedule for August 2025 – January 2026 can be found here.
Decommissioning Hecto the spring of 2026
Mar 17, 2025
The MMT Observatory (MMTO) will be decommissioning Hectospec and Hectochelle on May 1st, 2026 in order to prepare MMTO for the arrival of ViaSpec. The decommissioning process for both Hectospec and Hectochelle will start on May 1, 2026. Thus, …
New Vistas in Astronomy Lecture Series, January-April 2025
Jan 27, 2025
Whipple Observatory’s New Vistas in Astronomy lecture series returns for its 56th year. The first lecture of the series will be held Thursday, January 30 at the Green Valley Recreation Center- West at 9:00 AM. All lectures are free …
MMT Observing Schedule: February 2025 – July 2025
Jan 25, 2025
The observing schedule for February 2025 – July 2025 can be found here.
Public Science Center is now OPEN!
Jan 24, 2025
The Science Center is now open! The Science Center is currently open on Fridays only from 10:00 a.m. to 4:00 p.m. (closed on Federal holidays).
In order to ensure the best experience possible for the many guests we …
Remembering J. T. Williams
Jan 23, 2025
Long-time MMTO engineer J.T. Williams passed away on December 3, 2024 at the age of 88. J.T. was a huge presence on Mount Hopkins from the very early days. He was a major contributor to the planning, construction, commissioning, and …
MMT Observing Schedule: August 2024 – January 2025
Jun 17, 2024
The observing schedule for August 2024 – January 2025 can be found here.