News

All posts 2024Scientific InterviewsIREx in Action20252026Awards and PrizesEventsMy Time at iRExNewsPress ReleasesTeamThesis in 400 words20132014201520162017201820192020202120222023

The most recent

UdeM and Canada now at the heart of the world’s largest telescope with the ANDES instrument
May 14 2026

UdeM and Canada now at the heart of the world’s largest telescope with the ANDES instrument

A team led by the Université de Montréal, the Observatoire du Mont-Mégantic (OMM), and the…

2026
IREx Researchers Are Awarded Coveted Observing Time on the Webb Telescope For Cycle 5
March 17 2026

IREx Researchers Are Awarded Coveted Observing Time on the Webb Telescope For Cycle 5

The competition was fiercer than ever to obtain precious observing time on the James Webb…

2026
Meet the 2026 Lauzon Grant Winners!
March 16 2026

Meet the 2026 Lauzon Grant Winners!

Two new recipients of the Jean-Marc Lauzon Grants have been selected for 2026: Riley Rosener…

2026
NASA’s Pandora Mission Takes on Exoplanet Atmospheres
February 27 2026

NASA’s Pandora Mission Takes on Exoplanet Atmospheres

When NASA’s Pandora mission lifted off early this year on January 11th, it carried with…

2026
Montreal scientists discover dozens of new “starless planets”
February 18 2026

Montreal scientists discover dozens of new “starless planets”

Astronomers from the Montreal Planetarium and the Trottier Institute for Research on Exoplanets (IREx) at…

2026
Webb Reveals a Hazy World That Shows Not All Planet Twins Are Identical
December 15 2025

Webb Reveals a Hazy World That Shows Not All Planet Twins Are Identical

A Canadian-led team discovers that exoplanet LP 791-18 c, a temperate sub-Neptune, hides a hazy…

2025
Webb Telescope Detects Thick Atmosphere Around Broiling Lava World
December 11 2025

Webb Telescope Detects Thick Atmosphere Around Broiling Lava World

Observations of the ultra-hot super-Earth exoplanet TOI-561 b show the strongest evidence yet for an…

2025
Webb Telescope Reveals Double Helium Tails Escaping from a Hot Jupiter
December 8 2025

Webb Telescope Reveals Double Helium Tails Escaping from a Hot Jupiter

Astronomers from the Trottier Institute for Research on Exoplanets (IREx) at the Université de Montréal…

2025
Exoplanet Caught Shedding Its Atmosphere in Real Time 
December 1 2025

Exoplanet Caught Shedding Its Atmosphere in Real Time 

Using the James Webb Space Telescope (JWST), a team led by McGill researcher Vigneshwaran Krishnamurthy…

2025
Mathis Bouffard recipient of the 2025 Hubert-Reeves grant
November 26 2025

Mathis Bouffard recipient of the 2025 Hubert-Reeves grant

IREx is proud to announce that Mathis Bouffard, M.Sc. student in astrophysics at the Université…

2025
IREx-led team maps ‘weather’ on a nearby brown dwarf in unprecedented detail
November 7 2025

IREx-led team maps ‘weather’ on a nearby brown dwarf in unprecedented detail

Study reveals patchy clouds and shifting atmospheric layers on a free-floating planetary-mass object just 20…

2025
A groundbreaking map of an ultra-hot giant exoplanet: interview with Louis-Philippe Coulombe
October 28 2025

A groundbreaking map of an ultra-hot giant exoplanet: interview with Louis-Philippe Coulombe

Ultra-hot Jupiters have long captured astronomers’ curiosity. These giant gas planets orbit so close to…

Scientific Interviews