Federal employees across the country, many of whom have worked from home since the COVID-19 pandemic, were back at agency offices Monday under President Donald Trump’s return-to-office mandate.

A history of aerobiology would normally be a book that would have little interest beyond the science community. But in “Air-Borne: The Hidden History of the Life We Breath,” Carl Zimmer ...

COVID-19 showed the flaws in our approach to vaccine communication. Two public health experts suggest ways to fix them.