by Locke Spencer, Doug Johnstone, David Naylor Canadian participation in a far-infrared space astronomy mission is one of the key recommendations in both the CASCA LRP and CSA CSEW reports. The importance of Canadian involvement in the next NASA Probe (PRIMA or AXIS) was reconfirmed in the LRP MTR and the JCSA further recommended that the CSA provide statements of support for both missions in late 2025. In recognition of the importance of Canadian involvement, Locke Spencer h

by Dr Claude Cournoyer-Cloutier Thesis defended on July 30, 2025 Department of Physics & Astronomy McMaster University Thesis advisor: Dr. Alison Sills Abstract: Star formation is a clustered process, which naturally leads to the formation of binaries and star clusters. This clustering is most important for massive stars, which most often form in dense clusters and in close binaries. Massive stars are the dominant source of energy in young massive star clusters (YMCs) due

December 19, 2026 The Observatoire du Mont-Mégantic, IREX and l’Université de Montréal mourn the loss of René Racine. René Racine spent his life lifting our eyes to the heavens and, in doing so, lifted an entire generation of Canadian astronomy. Born in Québec City on 16 October 1939, Professor Racine’s career was defined by curiosity, craftsmanship, and a rare combination of practical engineering skill and conceptual boldness that made him a pillar of our astronomical commun