Health

Miami Heat lets dogs out to screen fans for Covid-19 -- but what does the science say?

Snow blindness can sneak up on you, but prevention is easy

Covid-19 cases are trending lower but 80,000 more Americans could die of the virus in the next three weeks

Only half of Covid-19 vaccines delivered to states have been used, CDC data shows. Here's one reason why

The son of polio vaccine creator Jonas Salk got the Covid-19 vaccine. He wants you to do it, too

CDC doesn't know if new Covid-19 variants are causing rare complication in children

Your sleep could be dictated by the phases of the moon, a study says

Alcohol and your heart: Just getting a buzz can trigger an irregular rhythm

Where the top US school districts stand with virtual vs. in-person learning

Regeneron says study shows its monoclonal antibody cocktail works against coronavirus variants