Welcome | Department of Astronomy Skip to main content Yale University Open Main Navigation Close Main Navigation Yale Center for the Invisible Universe Internal (Log In) Home AboutAstronomy Student Council Yale Astronomical & Space Student Society ResearchResearch HomeCosmology Exoplanets Extragalactic Astronomy Galactic Astronomy High Energy Astrophysics Instrumentation Solar and Stellar Astrophysics Star Formation and ISM Hoffleit Scholarship Undergraduate Research The Heising-Simons Foundation - 51 Pegasi b Fellowship AcademicsUndergraduate ProgramDegree Programs and Requirements Curriculum Maps Fall 2025 Courses Senior Project Guidelines Suggested Courses in Other Departments Astro Sibs - Undergraduate Mentorship Program Undergraduate ResearchHoffleit ScholarshipHoffleit Scholarship FAQs Dorrit Hoffleit Scholars Yale College Academic Calendars Apply PrizesBeckwith Prize Recipients Graduate ProgramProspective Student InformationApplication Admissions Funding & Aid Diversity Life at Yale About GSAS Advising Guidelines for the Yale Astronomy Graduate Program Program of Study Fall 2022 CoursesYale Online Course Search Research Teaching Fellow Program Gruber Science Fellowship PrizesBrouwer Prize Recipients FacilitiesYale-Keck Remote Observing FacilityRemote Observing at Yale Remote Workstation Manual Polycom Manuals YROF Allocation Policy Yale-Palomar Remote Observing Facility Yale Time Allocation CommitteeFacility Information for Yale Proposers Leitner Family Observatory and Planetarium News and EventsNews Events Calendar Boris Garfinkel Lectures Media DirectoryFaculty Postdocs/Research Scientists Graduate Students Undergraduate Students Staff Graduate Alumni Undergraduate Alumni Yale Directory Search People Astronomy Alumni Database Contact Us DonateSupport Yale Astronomy Robert F. Wing Fund for Undergraduate Research in Astronomy In the News Third time’s the charm for a row of faint galaxies without dark matter Tue, 06/16/2026 Astronomers have followed a faint, cosmic trail of gas to a third galaxy that has no dark matter. In a new study in The Astrophysical Journal, a team of Yale astronomers... MOTHRA has its eyes - all 1,140 of them - focused on the ‘cosmic web’ Wed, 03/11/2026 The new telescope, under construction in Chile, may help astronomers observe the “web” of dark matter and gas connecting galaxies. Make way for MOTHRA... A study in stardust: Massive binary stars emit tiny carbon particles Thu, 02/26/2026 Yale junior Donglin Wu leads a new study showing that some of the biggest stars in the universe shed some of the smallest dust particles. It’s fitting that Yale... Ray Jayawardhana (Yale Astronomy & Physics, BS 1994) named President of Caltech Tue, 01/06/2026 Congratulations to Ray Jayawardhana ’94—one of Yale’s standout astronomy and physics majors of the early 1990s who has been named the 10th president of the... More news... Academic Program Links Course Search Faculty Research Areas Graduate Program Application Undergraduate Program Application Hoffleit Scholarship Upcoming Events Thu, 09/10/2026 - 2:30pm Yale Astronomy Resources Talk Annual Astronomy Resources Talk Thu, 09/17/2026 - 2:30pm Yale Astronomy Colloquium - Catherine Zucker Thu, 09/24/2026 - 2:30pm Yale Astronomy Colloquium - Lina Necib more events... Public Outreach Please check the The Leitner Family Observatory and Planetarium website  for the most up-to-date information. In the meantime, please visit our YouTube page to view past episides of our virtual planetarium shows via the link below. Click here to check out past episodes. Yale Astronomy Newsletter Astronomy at Yale More Videos Contact Information Yale Department of Astronomy UPS/FedEx/ DHL/Amazon Shipping Address: Yale University | Department of Astronomy Kline Tower - 5th Floor Science Hill Southwest Loading Dock 41 Sachem Street New Haven, CT 06511 United States Postal Service Mailing Address: Yale University Department of Astronomy P.O. Box 208101 New Haven, CT 06520-8101 USA Directions: Map and Building Location Map to Yale Department of Astronomy Campus Services Getting around Yale Phone:  (203) 432-3000 Fax:  (203) 432-5048 Search People Yale Accessibility at Yale · Privacy policy Copyright © 2026 Yale University · All rights reserved