So when and how should you use them? By Dani Blum Yet again this winter, millions of Americans will wonder if a nagging cough or body aches is a sign they’re coming down with Covid or the flu. This ...

As COVID-19 variant EG.5, nicknamed “Eris,” continues to spread across the U.S., it’s important to be prepared ahead of a possible infection by stocking up on the best at-home COVID tests. So once ...

Molecular tests are far superior to rapid antigen tests—and now you can get them for home use. Amanda Blum is a freelancer who writes about smart home technology, gardening, and food preservation.

The CLINITEST Rapid COVID-19 Antigen Self-Test has received FDA EUA for unsupervised self-testing for the SARS-CoV-2 virus by individuals age 14 and older (or adult-collected samples from individuals ...

Astronomers and physicists have long used a laser-based sensor called an “optical frequency comb” to study the material makeup of the cosmos and to make timekeeping more accurate. But the COVID ...

Covid rates are still rising across most of the country, fueled by the highly contagious new variants of the virus — KP.2 and KP.3 and LB.1. As of July 18, the highest levels of Covid are in the ...