Press Releases

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The most recent

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
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 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…

2025
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…

2025
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,…

2025
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…

2025
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