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GeezerVison is showing carnegiescience.edu — Observatories

Beletsky Magellan MilkyWay Panorama
Beletsky Magellan MilkyWay Panorama

Observatories

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From the revelation of the universe’s expansion to the discovery of dark energy, Carnegie Observatories researchers have transformed humankind’s understanding of the cosmos. The groundbreaking work continues today at our world-famous Las Campanas Observatory in Chile.

Research Areas arrow_forward
Decoding the universe's deepest mysteries.
Cosmology
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We deploy various tools and techniques to reveal the physics that shaped the universe.

Distant Galaxies
A map of intergalactic hydrogen where yellow-to-red represents high density regions and blue-to-black indicates areas of low density. Credit: Andrew Newman.

We use cutting-edge instruments to probe the intense star formation that happened at Cosmic Noon. 

Instrument Development
Instrument

We have more than a century of experience designing and building ground-breaking instrumentation for our telescopes.

Milky Way
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The Milky Way is an excellent laboratory for understanding the forces that shape galaxies.

Planet Formation & Evolution
Star surrounded by a protoplanetary disk and clouds, science fiction background. Elements of this image furnished by NASA.

Piecing together the processes that shape a planetary system's formation and early evolution.

Solar Systems & Exoplanets
Exoplanet

From discoveries in our Solar System to exploring distant worlds.

Theory
A representation of a merger tree from the model Galacticus, used to determine the formation and evolution of the galaxies. Image courtesy Andrew Benson.

Theory guides insight into the physical nature of the universe. 

Transients
Supernova

We played central role in of two of the most important astrophysical events of the last 200 years. Carnegie astronomers continue to study transient events, including supernovae, tidal disruption events, and gamma-ray bursts.

Cosmology arrow_forward
Distant Galaxies arrow_forward
Instrument Development arrow_forward
Milky Way arrow_forward
Planet Formation & Evolution arrow_forward
Solar Systems & Exoplanets arrow_forward
Theory arrow_forward
Transients arrow_forward
Observatories Events
Events

Events

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Colloquium

Jessie Christiansen (NExScI/Caltech)

From 10pc to 10,000pc: The Emerging Picture of Planet Populations

October 27

11:00am PDT

Supernova remnant
Seminar

Abby Mintz (Princeton)

TBA

November 20

12:15pm PST

galaxy simulation
Seminar

Kaustav Mitra

Galaxy formation physics inference in the age of multiple large-volume cosmological surveys

November 13

12:15pm PST

In this artist’s concept, the exoplanet LHS 1140 b is shown in the foreground, surrounded by a helium-rich atmosphere. Another nearby rocky planet orbits the same cool red dwarf star in the distance. Credit: Melissa Weiss/Center for Astrophysics |Harvard & Smithsonian
Seminar

Krishna Kanumalla (ASU)

Ground-Based Characterization of Exoplanet Atmospheres with High-Resolution Spectroscopy

November 6

12:15pm PST

Stellar nebula
Colloquium

Andrew Saydjari (NMSU)

Unveiling the Kinematics and Chemistry of the ISM with APOGEE

October 13

11:00am PDT

Discover the Observatories
From the revelation of the universe’s expansion to the discovery of dark energy.

Featured Staff Member

Jeff Crane

Dr. Jeff Crane

Associate Director for Technological Affairs

Learn More
About Us
Discover the Observatories
From the revelation of the universe’s expansion to the discovery of dark energy.

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About the Carnegie Science Observatories
News
Learn all about our exciting discoveries in astronomy and astrophysics, which extend across the scope of the cosmos, from exoplanets to the earliest stars and galaxies.
News

Recent News

News

Learn all about our exciting discoveries in astronomy and astrophysics, which extend across the scope of the cosmos, from exoplanets to the earliest stars and galaxies.
Read all News
Douglas Duncan at the Carnegie Observatories in 1982
Breaking News
November 02, 2026

For Observatories Alumnus Douglas Duncan, Public Outreach is One of the Best Parts of the Job

Sunspot drawings
Breaking News
October 16, 2026

Object 26 | Sunspot Drawings

Plate Vault from the Inside
Breaking News
October 15, 2026

Object 25 | The Plate Vault Door

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Share Your Passion for Astronomy

Today, the generous support of our donors advances our founder’s legacy of philanthropy and continues to drive discovery. From exoplanets to the cosmos, our investigators are tackling the biggest questions of our time.

The pursuit of answers—fueled by our scientist’s curiosity, intellect, and creativity—has resulted in substantial breakthroughs, including Hubble’s discovery that the universe is expanding and Rubin’s confirmation of dark matter, among many others.

When you give to Carnegie, you are supporting the next generation of scientific luminaries as they reveal our place in the cosmos.

Moon globe
Contact the Observatories

Located in Pasadena, CA, Carnegie Science Observatories researchers are transforming our understanding of the cosmos. The groundbreaking work continues at our world-famous Las Campanas Observatory (LCO) in Chile, located at a superb site high in the southern reaches of Chile’s Atacama Desert.

Santa Barabara Street Campus

Carnegie Science Observatories
813 Santa Barbara St, Pasadena, CA 91101

Phone: (626) 577-1122
Fax: (626) 795-8136 

El Pino | LCO Headquarters

Raúl Bitrán 1200
La Serena 1720238
Región de Coquimbo
Chile

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