Keep your computer and other devices safe from viruses and other harmful software with these top-rated antivirus programs.

Firewalls scan data sent to your computer for malware and attempt to block files or other data they deem suspicious. Like ...

The COVID-19 pandemic yielded important advances in testing for respiratory viruses, but it also exposed important unmet needs in screening to prevent the spread of infections in high-risk settings.

From viruses to spyware, we break down the key differences so you know exactly what you're dealing with.