UCalgary ecotoxicology expert Ben Barst contributes to study of marine food’s impact on predators.

During a severe heat wave in 2023, scientists scuba diving off the coast of Papua New Guinea captured clownfish to measure their bodies. 

As coral reefs struggle to adapt to warming waters, high levels of pollution and sea-level rise, ballooning sea-urchin populations are threatening to push some reefs in Hawaii past the point of recovery.

The 120-mile Tijuana River flows from Baja California into the United States and discharges millions of gallons of wastewater — including sewage, industrial waste and runoff — into the Pacific Ocean every day, making it the dominant source of coastal pollution in the region.

Volcán Poás (Poás volcano), one of the most active in Costa Rica, looms over the country’s capital and largest city, San José.

In a collaborative study led by researchers at the University of Helsinki, analysis of 900 species over a 20-year period showed that biodiversity enhances ecosystem stability and helps safeguard natural communities in a changing environment.

New study shows how marine plankton responds to changing ocean conditions using lipidomics and data science tools.

New research found 21% of the global ocean experienced a reduction in the depth of its photic zones, home to 90% of all marine life.

An astronaut aboard the International Space Station captured this photo of Lake Gregory in the remote Great Sandy Desert of northwestern Australia.

Heat waves destroy crops, drive wildfires, and kill humans and wildlife, but these extreme weather events aren’t just limited to land.