An international team of astronomers led by Canadian researchers has found something the universe wasn’t supposed to have: a galaxy cluster blazing with hot gas just 1.4 billion years after the Big Bang, far earlier and hotter than theory predicts.
articles
Fires Could Emit More Air Pollution Than Previously Estimated
As fires burn the landscape, they spew airborne gases and particles, though their impact on air pollution might be underestimated.
New Study Finds Fishing-Fleet Movements Can Reveal Marine-Ecosystem Shifts
UC Santa Cruz researchers show how vessel-tracking data mirrored tuna roaming beyond their typical territory due to unusually warm ocean temperatures.
Melting Glaciers Top the List
Climate change, trust in science and health were among the most popular topics covered by UZH media releases and articles in 2025.
New Research May Help Scientists Predict When a Humid Heat Wave Will Break
As these events become more common at midlatitudes, a phenomenon called an atmospheric inversion will determine how long they last.
Drone Monitoring Helps Dolphins
Australia’s beloved dolphin populations face growing pressures from environmental changes and human activity, increasing the need for reliable, accessible and non-invasive tools to monitor their health and support conservation and management.


