Health & Science

Herbert Chang teaches social sciences at Dartmouth, and he authored a study that delved into a fairly simple question: Among pet owners, who donates more to charitable causes? The answer came as a bit of a surprise.

Every year from June to mid-October, Vermont tracks mosquitoes to monitor for the presence of potentially deadly diseases. But not every community in the Northeast has the resources to do this sort of surveillance. Public health officials in upstate New York's St. Lawrence County had no way of doing it. Until now.

Researchers on Lake Champlain are doubling down on years of research to try to figure out how tiny pieces of toxic plastic are getting into the lake, which serves some 200,000 people with drinking water.

The Department of Health and Human Services is ending a $766 million contract with the vaccine company Moderna to develop an mRNA vaccine for flu strains with pandemic potential, including bird flu.

Agency leaders said they intend to remove supplemental fluoride from the market by the end of October.

Federal officials unveiled a rigorous regulatory approach to future COVID vaccines that could make it harder for many people under 65 to get immunized.

The agency is taking steps to remove prescription fluoride products that children swallow. But researchers who study fluoride say it's not harmful and some kids need the treatments.

Some of the microplastics we ingest may come from the kitchen tools we use to prepare what we eat. If you want to reduce your reliance on plastic, here are some ideas.

The peak of the Lyrid meteor shower shower this year is expected Monday and Tuesday this week, when the tail is at its peak.

Nearly nine of out 10 Americans subscribe to video streaming services like Netflix, YouTube or Hulu. Two companies are creating similar on-demand programming for people living with dementia and their caregivers.