Harris and Trump have starkly contrasting records on health care. This analysis examines their differing approaches to Medicare, the ACA, drug pricing and other public health efforts.

Which is riskier for your health: a few days of very bad PM₂.₅ exposure or many more days of slightly bad exposure? Researchers developed new metrics to provide better answers.

As renewables account for a growing share of electricity supply, fossil fuel plants are increasingly used to balance fluctuations in renewable generation – emitting health-threatening pollutants.

The nascent LGBTQ+ rights movement and the Christian right each strongly shaped the early years of HIV/AIDS, a historian explains.

Many claims about the dangers of vaccines come from misrepresenting scientific research papers.

The process of converting food into nutritional information is more than just a scientific process. It involves many political and technical compromises that continue to shape the food industry today.

Global temperatures have averaged at least 1.5 degrees Celsius warmer than preindustrial times for over a year. Two scientists explain what that means and what humanity can do.

Global temperatures have averaged at least 1.5 degrees Celsius warmer than preindustrial times for over a year. Two scientists explain what that means and what humanity can do.

The June heat wave triggered warnings of a flash drought and caused a surge in ER visits. Many other countries have been facing extreme heat at the same time.

It’s a conundrum: While vaping can help some adults stop cigarette smoking, it also appeals to young people who may take up the habit.