Research shows how lions have developed genetically and how different populations were separated.

A paper published in the journal Science reveals that, although reducing fossil fuel use is essential to meet global climate targets, those goals are out of reach unless the global food system is also transformed.

A new University of Saskatchewan (USask) study has found that exercise performance and blood and muscle oxygen levels are not affected for healthy individuals wearing a face mask during strenuous workouts.

Yellow fever virus is normally confined to the Amazon region, but the virus circulated in the Southeast of Brazil between 2016 and 2018, causing the worst epidemic and epizootic outbreaks there for decades. 

Climate change will bring an acute toll worldwide, with rising temperatures, wildfires and poor air quality, accompanied by higher rates of cancer, especially lung, skin and gastrointestinal cancers, according to a new report from UC San Francisco.

Weather-related emergencies and disasters are difficult enough to navigate — and people with special needs face a unique set of challenges.

Delirium accompanied by fever could be an early symptom of COVID-19. 

Coronavirus has infected more than 40 million people around the world and has caused more than a million deaths in less than a year.

Scientists worldwide have been working flat out on research into infectious diseases in the wake of the global outbreak of the COVID-19 disease, caused by the new coronavirus SARS-CoV-2. 

Pregnant women living in Nunavik in northern Quebec are increasingly being exposed to potentially harmful chemical compounds commonly found in consumer products.