Your free COVID-19 tests from the government will expire soon, but there is a reason why the tests have a short shelf life.

Many are bizarre and live in salt lakes, hydrothermal vents and other extreme environments.

A new gene drive can copy and paste itself into the genomes of herpes simplex viruses in mice. The end goal is a version that disables the virus in humans.

Here are our picks for the best free antivirus software to protect your computer without needing a subscription.The Latest ...

Computer viruses can invade your system without you noticing, disrupting its operation and even stealing your data. To protect your device, it's important to know how to recognize signs of infection, ...