Letter from the Director: January 2018

Photo of the Swope telescope by Consuelo González Ávila Dear Friends, I'm happy to share with you our first newsletter of 2018. The last year was an incredible one at The Observatories—certainly the most exciting in my 23 years. In August, our scientists helped usher in a new era of astronomy when...

16th Annual Open House Celebrates our Past, Present, and Future

On Sunday, October 15th, we held our 16th annual open house at The Observatories. This year over 60 volunteers from Carnegie, GMTO, Caltech, JPL, and more helped make the event a big success! We welcomed nearly 1,000 guests to our campus between 2 p.m. and 5 p.m. to learn about the past, present,...

Orphaned supernova finds its home

SN2015J, a very bright and peculiar supernova, which initially did not have a certain home, now has received its happy ending. 

Next Generation Astronomical Survey To Map the Entire Sky

Pasadena, CA— The next generation of the Sloan Digital Sky Survey (SDSS-V), directed by Carnegie’s Juna Kollmeier, will move forward with mapping the entire sky following a $16 million grant from the Alfred P. Sloan Foundation.

Giant Magellan Telescope Organization casts fifth mirror

Pasadena, CA—The Giant Magellan Telescope Organization (GMTO) today announced that it has initiated the casting of the fifth of seven mirrors that will form the heart of the Giant Magellan Telescope (GMT).

Milky Way’s “most-mysterious star” continues to confound

Pasadena, CA— In 2015, a star called KIC 8462852 caused quite a stir in and beyond the astronomy community due to a series of rapid, unexplained dimming events seen while it was being monitored by NASA’s Kepler Space Telescope.

Found: Six galaxies from when the universe’s lights came back on

Washington, DC— New work from a research team including the director of Carnegie’s Las Campanas Observatory, Leopoldo Infante, has tripled the sample size of known galaxies that can teach scientists about a key period in the universe’s history, when the l