If you don't feel well, you may worry that you have COVID-19. The only way to know for sure is to take a test. At-home tests can tell whether you have the virus right now. More specialized antibody ...

You can't place orders for at-home COVID testing kits anymore, but there are still resources available for free testing. Peter is a writer and editor for the CNET How-To team. He has been covering ...

Molecular testing, or molecular diagnostics, refers to a group of tests that look at the genetic material in a specimen. It can detect genetic risk factors for certain diseases or provide evidence of ...

When the first computer bug was discovered in 1947, it was quite literally a moth that had become trapped inside a system at Harvard University that was disrupting the electronics. At that time, the ...