The BinaxNOW test, made by Abbott Laboratories, is the most widely available and commonly used over-the-counter rapid antigen test. Here's how to use it.

To determine whether your COVID test is still usable, you can check the at-home COVID-19 tests listed on the FDA's website to see which brands have had their shelf lives extended.

Recent research and anecdotes suggest some people are testing negative on rapid tests even after they have symptoms, then later testing positive. Here's what researchers think is going on.

Rapid tests work to detect omicron and its subvariants but timing is tricky. If you have COVID-19 symptoms, such as fever, cough, congestion or a sore throat, test yourself immediately but know ...

The recent outbreak of the omicron variant has many people running for store for an over-the-counter rapid test. But simply taking it once isn't enough to tell if you have contracted COVID-19 ...

If a person’s rapid antigen test result comes back positive after five days of isolation due to COVID-19, experts say they are most likely still carrying a viral load high enough to infect others.

Experts say rapid home tests still work to detect the latest variants of the virus that causes Covid-19, but how and when home tests are used has changed.

With COVID-19 cases rising across the country, you may be pulling out a leftover at-home rapid test.

I tested myself for COVID-19 from the comfort of my bedroom. I had never taken a rapid test before, but the instructions were easy to follow. Rapid antigen tests are convenient, but they're not as ...

Nevada call center directs residents to where they can pick up free COVID-19 tests and what to do if they get a positive result.

For more information on how to get them, you can check out our guide on How to Order Your Free At-Home Covid-19 Tests.

Don't throw out your expired COVID tests just yet. Here's how to find out if the expiration date has been extended.