Scientists have been testing how heat affects our hearts for years. But here's the thing: the most commonly used method might not provide much insight into what happens to the heart during heat waves.

As highly pathogenic H5N1 avian influenza continues to spread in the U.S., posing serious threats to dairy and poultry farms, both farmers and public health experts need better ways to monitor for infections, in real time, to mitigate and respond to outbreaks.

The smoke from fires that blaze through the wildland-urban interface (WUI) has far greater health impacts than smoke from wildfires in remote areas, new research finds.

As the adoption of cleaner-burning engines and electric vehicles drives fossil fuel emissions lower, scientists have discovered that a surprising pollution source is playing a significant role in cooking up ozone in the air over Los Angeles.

A bite of food is about more than calories. Food production involves energy, water, and other resources and is shaped by economics, policies, and international relations.

Microplastics—tiny shards of plastic debris—are all over the planet. 

Microplastics have been found almost everywhere that scientists have looked for them. 

London’s Ultra Low Emission Zone (ULEZ) is transforming children’s journeys to school by making streets safer, improving perceptions of air quality and encouraging children to live healthier lives. 

The study, which followed the dietary choices of more than 200,000 people over 30 years, found that diets higher in butter but low in plant oils were associated with elevated risk of mortality.

Newly developed artificial intelligence can account for how the brain changes as we learn, enabling a person with paralysis to move objects.