Press Releases

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JWST Forecasts Partially Cloudy Skies on Ultra-Hot Neptune LTT 9779 b
February 25 2025

JWST Forecasts Partially Cloudy Skies on Ultra-Hot Neptune LTT 9779 b

Montréal, Canada—A team of researchers led by Louis-Philippe Coulombe, a graduate student at the Université…

2025
“Out of science fiction”: First 3D observations of an exoplanet’s atmosphere reveal a unique climate
February 18 2025

“Out of science fiction”: First 3D observations of an exoplanet’s atmosphere reveal a unique climate

An international team of astronomers, including Trottier Institute of Research on Exoplanets (IREx) and Université…

2025
JWST Captures Unprecedented Glimpse of Planet Formation in the PDS 70 System
February 12 2025

JWST Captures Unprecedented Glimpse of Planet Formation in the PDS 70 System

Victoria, Canada – A groundbreaking study by Canadian astronomers using the James Webb Space Telescope (JWST)…

2025
Astronomers at IREx Dive Deeper into “Steam-World” Exoplanet GJ 9827 d
October 6 2024

Astronomers at IREx Dive Deeper into “Steam-World” Exoplanet GJ 9827 d

A recent paper in Astrophysical Journal Letters, led by Caroline Piaulet-Ghorayeb, a Ph.D. candidate at the…

2024
Taking a star’s temperature
September 19 2024

Taking a star’s temperature

UdeM astronomers find a way to measure temperature changes in a star with greater-than-ever precision,…

2024
IREx Researchers Contribute to Stunning New Webb Observations of Star-Forming Cluster in Perseus
September 12 2024

IREx Researchers Contribute to Stunning New Webb Observations of Star-Forming Cluster in Perseus

Researchers at the Trottier Institute for Research on Exoplanets (IREx) are celebrating their contribution to…

2024
Astronomers Find Surprising Ice World in the Habitable Zone with Webb Data
July 8 2024

Astronomers Find Surprising Ice World in the Habitable Zone with Webb Data

In an exciting discovery, a team led by Université de Montréal (UdeM) astronomers have excluded…

2024
A Canadian team joins ESO in milestone agreement for ANDES instrument on the ELT
June 14 2024

A Canadian team joins ESO in milestone agreement for ANDES instrument on the ELT

On June 5th, the European Southern Observatory (ESO) signed an agreement with an international consortium…

2024
Landolt space mission: artificial stars for more precise measurements of star brightnesses
June 10 2024

Landolt space mission: artificial stars for more precise measurements of star brightnesses

The new NASA Landolt space mission, planned for 2029, promises major scientific breakthroughs. The mission,…

2024
The solar eclipse on April 8, 2024: a show not to be missed!
March 29 2024

The solar eclipse on April 8, 2024: a show not to be missed!

Astrophysicists from iREx and across Quebec, gathered at the Center for Research in Astrophysics of…

2024
UdeM Astronomer Finds that Aging Brown Dwarfs Grow Lonely
March 21 2024

UdeM Astronomer Finds that Aging Brown Dwarfs Grow Lonely

It takes two to tango, but in the case of brown dwarfs that were once…

2024
Discovery of Water Vapour in Small Exoplanet’s Atmosphere 
January 25 2024

Discovery of Water Vapour in Small Exoplanet’s Atmosphere 

With a diameter approximately twice that of Earth, the exoplanet GJ 9827 d could be…

2024