Emily Anthes

Many doctors said that they were unfamiliar with the condition, known as alpha-gal syndrome, the agency found.

Strips of sharp metal pins are meant to keep birds away from buildings. Some birds are stealing them to build their nests.

From late 2021 to early 2022, humans transmitted the coronavirus to white-tailed deer more than 100 times, research suggests.

The nation uses an enormous number of animals for commercial purposes, and regulations do not adequately protect against outbreaks, experts concluded.

Some companies are turning to technology to illuminate potential hazards in indoor air.

A century ago, a well-ventilated building was considered good medicine. But by the time Covid-19 arrived, our buildings could barely breathe. How did that happen?...

The H5N1 virus poses “a great unknown threat” to birds and humans alike. Understanding and thwarting it begins with excrement collection.

With other virus tracking efforts winding down, wastewater data is likely to become increasingly important in the months ahead, scientists say.

For these canine experts, an invitation to pick the winners of the Westminster Dog Show is an honor — and a serious responsibility.

Peter K. Ben Embarek led a contentious international investigation into the origins of the Covid-19 pandemic.