Top Stories

After Devastating Wildfires, Watersheds Surprisingly Thick With Fish and Amphibians

In the aftermath of historically severe wildfires in 2020, a study of Cascade Range watersheds found that stream vertebrates are doing surprising well, highlighted by flourishing fish populations.

>> Read the Full Article

Global Aviation Emissions Could be Halved Through Maximising Efficiency Gains, New Study Shows

A new study co-led by the University of Oxford has found that global aviation emissions could be reduced by 50-75% through combining three strategies to boost efficiency: flying only the most fuel-efficient aircraft, switching to all-economy layouts, and increasing passenger loads. Crucially, the study shows that around a 11% reduction in global aviation emissions is achievable immediately, by using the most efficient aircraft that airlines already have more strategically on routes they already fly.

>> Read the Full Article

Earliest, Hottest Galaxy Cluster Gas on Record Could Change our Cosmological Models

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.

>> Read the Full Article

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. 

>> Read the Full Article

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. 

>> Read the Full Article

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.

>> Read the Full Article

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.

>> Read the Full Article

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.

>> Read the Full Article

New AI Model Predicts Disease Risk While You Sleep

Stanford Medicine scientists and their colleagues created the first artificial intelligence model that can predict more than 100 health conditions from one night’s sleep.

>> Read the Full Article

This Little Trout Died of Decompression Sickness – a Sign of Hydropower’s Hidden Problem

Hundreds of Norwegian hydropower plants threaten fish and bottom-dwelling animals by exposing them to water that is oversaturated with air. 

>> Read the Full Article