State health officials appear to have deviated from the usual response during an outbreak after it killed two infants.

It was thought that Aedes aegypti could not survive in the Mountain West. But now, a population is thriving in Colorado.

Regulations make it hard to introduce organisms that quash invasive species. Some experts see missed opportunities.

A longstanding push for urgent action on environmental toxins is landing in an unprecedented time in American politics.

Chatbots weren't designed for mental health, but they are increasingly used for therapy. What are the risks an benefits?

The explosion of populations east of the Mississippi was made possible by logging and the slaughter of wolves.

Some experts believe CKD is the first chronic illness directly linked to climate change. Prevention may be possible.

The organization Frontline Health Advocates provides medical exemption notes — for a fee. What exactly are they selling?

Progress has been made in identifying and treating the disease, but the impact of federal cuts is yet to be borne out.

CROSS SECTIONS: Dissecting the contentious and the controversial — with science at the core. During the June meeting, FDA advisers raised a range of issues related to the quality of evidence. To move ...