Press Releases

The most recent

A Dead Star Reveals the Swallowed Remains of Its Planetary System
October 22 2025

A Dead Star Reveals the Swallowed Remains of Its Planetary System

An international team led by Érika Le Bourdais, a PhD student at the Université de…

Habitable or Not? Astronomers Probe Exoplanet TRAPPIST-1 d Using the Webb Telescope 
August 13 2025

Habitable or Not? Astronomers Probe Exoplanet TRAPPIST-1 d Using the Webb Telescope 

Could Earth-sized exoplanets be habitable? A new study led by Caroline Piaulet-Ghorayeb, a graduate of…

The NIRPS instrument: a new eye on the sky in Chile
July 29 2025

The NIRPS instrument: a new eye on the sky in Chile

The Near-InfraRed Planet Searcher (NIRPS) is a new high-resolution spectrograph designed to search for exoplanets,…

A diverse cast of rocky worlds around a small star revealed by Montreal astronomers
July 22 2025

A diverse cast of rocky worlds around a small star revealed by Montreal astronomers

A team led by the Trottier Institute for Research on Exoplanets (IREx) at the Université…

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…

“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…

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)…

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…

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,…

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…

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…

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…