We are piloting a new City Star Party at Long Branch Park to catch universe from within the city limits. If you don't have a telescope then you will find many astronomers who would love to share a view.

Invitation to all members. You and your families are cordially invited to attend the 26th Annual Carr Astronomical Observatory (CAO) Open House and RASC Toronto Centre Awards Picnic on Saturday, July 6th, 2024.

The Nancarrow Family extends an invitation to friends of Blake Nancarrow to a celebration of his life on Saturday, June 1 at the E.C. Carr Astronomical Observatory (CAO). The event will start at 2:00 p.m.

Join us as Ms Maheen Hemani, York University Undergraduate, explores red-shifts of Galaxies!

Arnold Brody takes his turn at showing us the celestial highlights for the month of April and doesn't miss a chance to remind us about the Millennium Square Public Stargazing Event on April 28 that he is organizing.

Human exploration of the red planet has been seriously discussed since the 1940s, but no mission concept has gone beyond the planning stage. Why? Join Maria Zuber — the first woman to lead a science department at the Massachusetts Institute of Technology and the first to lead a NASA planetary mission — as she explores the possibility of a human expedition to Mars.

Bring your own binoculars for a free, guided tour of the night sky.

Join Heritage Services for a tour of our historic observatory and administration buildings.

Join RASC at the Ontario Science Centre for a night under the stars!

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.