Vera C. Rubin Observatory Discoveries and Technology
The Vera C. Rubin Observatory officially began its 10-year Legacy Survey of Space and Time (LSST) on June 30, 2026, and has already discovered over 11,000 new asteroids, including 33 near-Earth objects, despite temporary disruptions in mid-July 2026 due to a severe storm. As of July 26, 2026, the observatory's instruments are secured, and early data from the LSST is being processed. The observatory, which completed final construction in October 2025 and released its inaugural images in May 2026, is expected to identify up to half a million solar system objects annually and generate millions of alerts per night.
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August 2026 — 1 developments
Vera C. Rubin Observatory Releases Image of Over 650,000 Galaxies
The Vera C. Rubin Observatory has released a new science image of the COSMOS field, revealing over 650,000 galaxies. This image was created by stacking hundreds of observations from the observatory's LSST Camera and Simonyi Survey Telescope. The COSMOS field is a well-studied region of the sky, valuable for its clear view of distant galaxies.
July 2026 — 1 developments
Vera C. Rubin Observatory LSST Survey Begins, Discovers Over 11,000 New Asteroids
The Vera C. Rubin Observatory's 10-year Legacy Survey of Space and Time (LSST) officially began on June 30, 2026, and early data has already resulted in the discovery of over 11,000 new asteroids. Operations faced temporary disruptions in mid-July 2026 due to a severe storm damaging access roads, but the observatory's instruments were secured.
June 2026 — 2 developments
Vera C. Rubin Observatory officially begins 10-year Legacy Survey of Space and Time
The Vera C. Rubin Observatory officially commenced the Legacy Survey of Space and Time (LSST) on June 30, 2026. This 10-year project will create the most comprehensive record of the universe ever assembled, observing the entire southern sky repeatedly with its 3,200-megapixel camera.
Vera C. Rubin Observatory's 10-year LSST survey could begin in days or weeks
The Vera C. Rubin Observatory's 10-year Legacy Survey of Space and Time (LSST) is on the verge of beginning, with officials announcing this week that the survey could commence in mere days or weeks. Although the main survey has not yet officially started, the observatory has been actively collecting data and issuing automated alerts since February 2026.
May 2026 — 4 developments
Vera C. Rubin Observatory Transitions to Operations Phase After Completing Construction
The Vera C. Rubin Observatory has transitioned into its operations phase, completing final construction activities in October 2025 and commencing its Alert Production Pipeline. The team is currently fine-tuning the system for the upcoming 10-year Legacy Survey of Space and Time (LSST).
Vera C. Rubin Observatory Director Tony Tyson named to TIME100 list
Tony Tyson, the founding director of the Vera C. Rubin Observatory, has been named to the 2026 TIME100 list for his contributions to cosmology and the observatory's development. The observatory is making significant advancements in astronomical observation and discovery, preparing for its decade-long Legacy Survey of Space and Time.
Vera C. Rubin Observatory Resumes Observations After Maintenance
The Vera C. Rubin Observatory has resumed on-sky observations with its Simonyi Survey Telescope following a period of engineering and maintenance. This period included updates to the optical wavefront estimation pipeline and maintenance on the telescope's Top End Assembly. The observatory is projected to identify up to half a million solar system objects annually once fully operational.
Vera C. Rubin Observatory Releases First Images and Completes Telescope Mount Assembly
The Vera C. Rubin Observatory has released its inaugural images of the universe, captured by its Simonyi Survey Telescope and LSST Camera. The observatory also achieved a major construction milestone with the completion of its Telescope Mount Assembly and is on schedule to commence full survey operations in early 2026.
April 2026 — 2 developments
AI Enhances Image Quality for Vera C. Rubin Observatory Discoveries
New artificial intelligence algorithms are being developed to improve image quality from the Vera C. Rubin Observatory by removing atmospheric blur. This advancement aims to achieve image clarity comparable to space telescopes, enhancing the scientific value of collected data.
Vera C. Rubin Observatory discovers over 11,000 new asteroids, including 33 near-Earth objects
Scientists have discovered over 11,000 new asteroids, including 33 near-Earth objects, using preliminary data from the Vera C. Rubin Observatory. This represents the observatory's largest asteroid discovery to date, with its alert system capable of generating millions of alerts per night.
March 2026 — 2 developments
Astronomers observe rare planetary collision 11,000 light-years away, causing star to flicker
Astronomers may have observed a rare planetary collision event approximately 11,000 light-years away, causing a star to flicker. The Vera C. Rubin Observatory's Simonyi Survey Telescope is expected to play a significant role in detecting similar future events once its Legacy Survey of Space and Time begins later in 2026.
NSF NOIRLab Successfully Demonstrates System for Following Up on Rubin Observatory Alerts
NSF NOIRLab has successfully demonstrated its system for following up on alerts generated by the Vera C. Rubin Observatory. This system utilizes multiple software tools and a global telescope network to enable rapid follow-up observations of transient objects. During a recent test, the team followed up on 18 alerts flagged as likely supernovae.
February 2026 — 2 developments
Vera C. Rubin Observatory launches real-time alert system, issuing 800,000 alerts
The Vera C. Rubin Observatory launched its real-time alert system, issuing approximately 800,000 alerts on February 24, 2026, for astronomical events such as new asteroids and supernovae. This system is a significant step as the observatory prepares for its 10-year Legacy Survey of Space and Time (LSST) later in 2026.
Vera Rubin Observatory captures pre-discovery images of interstellar comet 3I/ATLAS
The Vera Rubin Observatory has captured images of the interstellar comet 3I/ATLAS between June 21 and July 19, 2025, ten days before its official discovery on July 1, 2025. These images showcase the comet's evolution as it approached the Sun.
January 2026 — 2 developments
Astronomers discover fastest-spinning asteroid with Vera C. Rubin Observatory
Astronomers analyzing data from the Vera C. Rubin Observatory have discovered the fastest-spinning asteroid ever recorded, measuring over half a kilometer in diameter. The Simonyi Survey Telescope was dedicated on October 4, 2024, honoring the Simonyi family's philanthropic contributions. The observatory is expected to discover 20 billion new galaxies over its decade-long mission.
LSST Camera's Pre-Survey Data Identifies Record-Breaking Asteroid in First Peer-Reviewed Paper
The first peer-reviewed paper utilizing data from the LSST Camera's pre-survey observations was published, identifying a record-breaking asteroid.
November 2025 — 1 developments
Vera C. Rubin Observatory discovers stellar stream and fastest-spinning asteroid
The Vera C. Rubin Observatory has discovered a stream of stars around galaxy Messier 61, measuring approximately 170,000 light-years long. Additionally, the observatory identified the fastest-spinning large asteroid ever found, designated 2025 MN45, which measures about 710 meters across and rotates in under two minutes. These discoveries were made using data from the observatory's Simonyi Survey Telescope.
October 2025 — 3 developments
Observatory handed over from Construction to Operations team
The observatory was formally handed over from the Construction team to the Operations team.
Rubin Observatory construction formally concludes, achieving substantial completion
The construction phase of the Rubin Observatory formally concluded, achieving substantial completion.
Vera C. Rubin Observatory begins decade-long sky survey by October 2025
The Vera C. Rubin Observatory commenced its decade-long mission to scan the entire night sky every three days on or before October 13, 2025, utilizing its Simonyi Survey Telescope and LSST Camera.
September 2025 — 2 developments
Rubin Observatory Announces Four-Week Downtime for Simonyi Survey Telescope in 2025
The Rubin Observatory announced a planned four-week construction and operations engineering downtime starting September 22, 2025, during which the Simonyi Survey Telescope would not operate at night to allow for complex daytime engineering tasks.
Indiana University Kokomo Observatory to host open house featuring Vera C. Rubin Observatory results
The Indiana University Kokomo Observatory is scheduled to host its first free open house of the academic year on September 14, 2025, which will include an overview and early results from the Vera C. Rubin Observatory.
June 2025 — 4 developments
Vera C. Rubin Observatory Releases First Images, Discovers Fastest-Spinning Asteroid
The Vera C. Rubin Observatory has released its first images of the cosmos, marking the beginning of its 10-year mission to scan the Southern Hemisphere's night sky. During pre-survey observations, astronomers also discovered the fastest-spinning asteroid ever recorded, which is over half a kilometer in diameter and rotates every two minutes.
Vera C. Rubin Observatory Releases First Deep-Space Images from Largest Camera
The Vera C. Rubin Observatory has released its first deep-space images captured by its 3,200-megapixel camera, the largest on Earth. Located in Chile, the observatory is expected to discover 20 billion new galaxies over the next decade through its Legacy Survey of Space and Time (LSST) program.
Vera C. Rubin Observatory releases first imagery, begins decade-long survey
The Vera C. Rubin Observatory released its first imagery on June 23, 2025, showcasing millions of galaxies and stars from test observations. The observatory began its decade-long scientific survey on October 13, 2025, using the world's largest digital camera to scan the entire night sky every three days.
Observatory releases 'First Light' images to public
The observatory released its 'First Light' images to the public, marking a significant milestone in its commissioning phase.
March 2025 — 1 developments
LSST Camera successfully installed on telescope
The completed LSST Camera was successfully installed on the telescope at the observatory.
October 2024 — 2 developments
Simonyi Survey Telescope Dedicated at Rubin Observatory, Honoring Charles and Lisa Simonyi
The Simonyi Survey Telescope was dedicated on October 4, 2024, at the NSF–DOE Vera C. Rubin Observatory, acknowledging the significant philanthropic contributions of Charles and Lisa Simonyi.
Commissioning Camera (ComCam) achieves 'first photon,' captures initial images
The Commissioning Camera (ComCam) achieved its 'first photon,' capturing its initial images.
August 2024 — 1 developments
Simonyi Survey Telescope successfully installs 3.5-meter secondary mirror
The 3.5-meter secondary mirror was successfully installed on the Simonyi Survey Telescope.
April 2024 — 1 developments
LSST Camera completed as world's largest digital camera for astronomy
The 3.2-gigapixel LSST Camera, the world's largest digital camera for astronomy, was completed.
December 2021 — 1 developments
National Science Board approves revised observatory cost due to COVID-19 delays
The National Science Board (NSB) approved a revised Total Project Cost for the observatory, accounting for COVID-19 related delays.
January 2020 — 1 developments
Vera C. Rubin Observatory Name Announced at American Astronomical Society Meeting
The new name, Vera C. Rubin Observatory, was publicly announced at the American Astronomical Society winter meeting.
December 2019 — 1 developments
U.S. law renames observatory to Vera C. Rubin Observatory
The renaming of the observatory to Vera C. Rubin Observatory was enacted into U.S. law.
June 2019 — 1 developments
U.S. Representatives Propose Renaming Observatory for Astronomer Vera C. Rubin
An initiative to rename the observatory in honor of astronomer Vera C. Rubin was proposed by U.S. Representatives.
January 2018 — 1 developments
Telescope mirrors and mount components arrive at Cerro Pachón construction site
The telescope's mirrors and mount components started arriving at the Cerro Pachón construction site in Chile.
April 2015 — 1 developments
Site construction officially commenced on Cerro Pachón, Chile.
Site construction officially commenced on Cerro Pachón, Chile.
February 2015 — 1 developments
Primary/tertiary mirror (M1M3) polishing completed
The final polishing of the primary/tertiary mirror (M1M3) was completed.
January 2015 — 1 developments
SLAC National Accelerator Laboratory begins construction of 3.2-gigapixel LSST Camera
Construction of the 3.2-gigapixel LSST Camera began at SLAC National Accelerator Laboratory.
August 2014 — 1 developments
NSF funding authorized, project construction begins
Official construction of the project began, following authorization of NSF funding.
January 2010 — 1 developments
LSST ranked top-priority large ground-based project in 2010 Astrophysics Decadal Survey
The LSST was ranked as the top-priority large ground-based project in the 2010 Astrophysics Decadal Survey.
March 2008 — 1 developments
Steward Observatory Mirror Lab begins fabrication of 8.4-meter primary/tertiary mirror
Fabrication of the 8.4-meter primary/tertiary mirror (M1M3) began at the Steward Observatory Mirror Lab.
January 2007 — 1 developments
Simonyi and Gates Pledge Private Funding for Telescope Mirror Development
Significant private funding, including contributions from software billionaires Charles Simonyi and Bill Gates, was pledged to support the development of the telescope's mirrors.
January 2003 — 1 developments
LSST Corporation established as non-profit to support project development
The LSST Corporation was established as a non-profit entity to support the project's development.
January 2001 — 1 developments
Decadal Report Recommends Large-Aperture Synoptic Survey Telescope as Major Initiative
The concept of the Large-Aperture Synoptic Survey Telescope (later LSST) was recommended as a major initiative in the 'Astronomy and Astrophysics in the New Millennium' decadal report.