While wildfires blaze out west, Hurricane Ida wallops the eastern United States, more evidence that extreme weather is tied to climate change.
Some schools are buying air purification systems that may not work as well as a standard HEPA filter, according to air quality experts.
Virologist Angela Rasmussen debunks the latest COVID-19 home remedy, and weighs in on new variants.
Many organizations moved to require COVID-19 vaccinations after Pfizer’s shot got FDA approval. What impact will it have on the pandemic?
Suicides have risen among Black, Hispanic and other communities of color during COVID-19. But the rates were already escalating before the pandemic struck.
Gene-editing technique CRISPR may deliver new treatments for genetic diseases—and it’s already being tested on patients.