Determining whether you have a cold, the flu or Covid-19 might be getting a little easier soon. On Friday, the U.S. Food and Drug Administration authorized the first over-the-counter combination test ...

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-19 and its latest Omicron strains continue to cause infections across the country as well as globally. Serology (blood) and molecular tests are the two most commonly used methods for rapid COVID ...

People are urged to get COVID-19 tests when they feel sick and in other situations, according to the latest health advice. Annie Spratt via Unsplash These days, feeling sick may make you consider ...