A new study shows that polar bears are spending less time on sea ice, leading them to fast longer, become thinner and have fewer cubs.

Interactive story maps illustrate valuable contributions Maritime salt marshes make to our planet.

When food makes people sick, some blame birds because they hang around farms, and their feces can contain E. coli, Salmonella and Campylobacter, three common pathogens that can cause food-borne illness.

Researchers have for the first time found a connection between the immune systems of different bird species, and the various climatic conditions in which they live. 

Antibiotic-resistant bacteria are prevalent in people, wildlife and the water in northeastern Tanzania, but it’s not antibiotic use alone driving resistance.

We know surveillance is used to keep an eye on convenience stores and homes; it is also used to monitor the spread of infectious diseases.

Drastic ecosystem interventions like eradicating an unwanted species can sometimes backfire, but new University of Queensland-led modelling may help to avoid these ecological hiccups.

Off the coast of Antarctica, vibrant green phytoplankton swirls amidst the sea ice.

Climate change is increasing the frequency and severity of marine heat waves—warm water anomalies that disrupt marine ecosystems—and this is creating new challenges for fisheries management and ocean conservation. 

The time it takes for species to respond to conservation measures – known as an ‘ecological time lag’ – could be partly masking any real progress that is being made, experts have warned.