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CITA Flagship Welcomes Back CITA + PI Day

CITA and Perimeter Institute gathered for CITA + PI Day on Friday May 19, 2023. These gatherings aim to foster interaction, collaboration, and sharing of new ideas in our common fields of interest through a series of informal talks followed by discussion.

CITA + PI Days are 1-day workshops that bring together students, postdocs, and faculty from CITA, the Perimeter Institute, and other…

CITA featured in the Globe and Mail on new School of Cosmic Future

Juna Kollmeier

Science reporter for the Globe and Mail, Ivan Seminiuk, met with Juna Kollmeier, CITA Director, last week to discuss her initiative to tackle global issues and ambitions for the School of Cosmic Future.

Read the full artic…

Astronomers release the most detailed map of matter in the cosmos

See full Arts and Science News article here.

Researchers from the Atacama Cosmology Telescope (ACT) collaboration have submitted a set of papers to the Astrophysical Journal, featuring a groundbreaking new map of dark matter distributed across a quarter of the entire sky and extending deep into the cosmos.
The result confirms Einstein’s Theory of General Relativity which predicts how…

CITA Rejoins the LIGO Scientific Collaboration

Faculty and Postdocs join to form CITA’s membership to this esteemed collaboration
Collaboration and discovery go hand in hand at the LIGO Scientific Collaboration (LSC). Working with the Virgo and KAGRA observatories – together forming the LIGO-Virgo-KAGRA (LVK) Collaboration –, the group represents 4 observatories, 19 countries, 127 institutions, and over 1400 researchers. This scale is…

CITA Welcomes Three New Faculty

CITA is in the midst of welcoming three new faculty, a first in our history. This is an exciting moment for us as our new faculty broaden the expertise at CITA and expand the work that we do. From gravitational wave astronomy and cosmology to plasma physics, these three CITAzens are asking new questions about the universe and discovering novel ways to answer them. Welcome Profs. Maya Fischbach,…

Professor Dick Bond on Theories of Everything

Professor Dick Bond

Professor Dick Bond was featured in Curt Jaimungal’s Theories of Everything on February 1st. Watch Bond discuss multiverse, Hubble Tension, and dark…

CITA 2022 Year in Review

CHIME radio telescope collaboration wins Brockhouse Canada Prize


A cross-Canada collaboration including the University of Toronto has won the prestigious Brockhouse Canada Prize for Interdisciplinary Research in Science and Engineering from the National Science and Engineering Research Council (NSERC).

The Canadian Hydrogen Intensity Mapping Experiment (CHIME) is a groundbreaking radio telescope — one of the most novel and…

Jamboree 2022

The CITA National Jamboree is an annual event with short presentations from all CITA faculty, postdocs, and grad students describing their research. It is an opportunity for incoming postdocs and students and anyone who wants to learn more about CITA and the research done here.

Tuesday, October 4, 2022 @12-5pm EST (in-person/zoom)

McLennan Physical Laboratories (MP) 1318A


Professor Ue-Li Pen awarded 2022 Class of Fellows to the Royal Society of Canada


Ue-Li Pen is professor in the Canadian Institute for Theoretical Astrophysics (CITA) and a theoretical astrophysicist whose work often extends beyond traditional boundaries. He has contributed to the rapidly growing field of 21-cm cosmology, culminating in Canada’s preeminent astronomical achievements of the last decade, the Canadian Hydrogen Intensity Mapping Experiment…

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