• Seven Earth-sized planets around the ultra-cool dwarf TRAPPIST-1

    About a year ago, the discovery of 3 Earth-sized planets orbiting the very cold star TRAPPIST-1 stirred excitement in the astronomical community. At a distance of forty light-years, this star is among our nearest celestial neighbours….

  • Massive comet-like object pollutes the atmosphere of a white dwarf

    Scientists have witnessed, for the first time, a massive, comet-like object being ripped apart and scattered in the atmosphere of a white dwarf, the burned-out remains of a sun-like star. The destroyed object had a chemical…

  • Astronomy on Tap – MTL – First French Edition

    The first edition of Astronomy on Tap – MTL *** in French*** will take place Feb 28st at 7:30PM. Don’t miss it! February 28st, in French, at Pub l’Île Noire, 7:30PM Étienne Artigau Simon Coudé Myriam Latulippe More…

  • Meet five new graduate students of iREx

    Many new members are joining iREx in 2016-2017. Among them, four new MSc students and one new PhD student. Learn more about their biography and their research projects below: Lisa Dang, who started a MSc in September…

  • CRAQ Summer School 2017 “Exoplanet Atmospheres”

    iREx is collaborating to organize this year’s edition of the Centre for Research in Astrophysics of Quebec (CRAQ) Summer School on exoplanet atmospheres. The school will take place June 12-14th, in Montreal. Confirmed instructors : René…

  • Patrick Dufour in Quebec Science Top 10 discoveries

    Patrick Dufour, professor at Université de Montréal and member of iREx, is in Quebec Science Top 10 discoveries of 2016 An international team that includes Patrick Dufour, a member of iREx, announced earlier this year the…

  • Exoplanet

    An exoplanet, or extrasolar planet, is an object orbiting another star than our Sun. If such definition seems deceptively simple, the current state of the research is driven by the search of a more refined and…