Canadian Institute for Theoretical Astrophysics – The Canadian Institute for Theoretical Astrophysics is a nationally supported research centre located at the University of Toronto that is devoted to studying the origin and evolution of the universe, and the many wonderful phenomena revealed by modern astronomy.

News

First-of-Its-Kind Simulation Recreates the Anatomy of a Magnetar’s Giant Flare

November 2, 2026

Giant stars may explain a mysterious nitrogen-rich star cluster 11 billion years away

October 28, 2026

Welcoming the 2026 Cohort of CITA Fellows

October 16, 2026

Seminars

The Variability of Deeply Embedded Protostars: Past, Present, and Future

October 5, 2026

The Many Colours of Galaxies at Cosmic Dawn

September 28, 2026

Black Holes Decohere Quantum Superpositions

September 21, 2026

Events

Postdoctoral Fellowship and National Fellowship Applications Now Open

September 14, 2026

A large, diverse group of people poses and smiles for a group photo indoors; some are seated in front, others stand behind, and one person holds a small white dog on the left. There is a blackboard in the background.

Save the Date: CITA@40 Conference – Honouring 40 Years of Innovation in Astrophysics

May 26, 2026

A large group of people, diverse in age, gender, and ethnicity, pose together indoors in front of a blackboard. Most are smiling, and one person in the back row is holding a small white dog.

CITA@40 Conference: Honouring 40 Years of Innovation in Astrophysics

July 29, 2025