The "DRUL" saliva test performs as well, if not better, than approved oral and nasal tests for COVID-19. It's also inexpensive and more comfortable.

The author of a new book about forming good habits explains how you can make changes that last with a little help from science.

"It is not only crucial for the brain to remember things, but also to weigh how good the memory is: How certain are we that a specific memory is accurate?"

Transparent solar cells that are highly efficient and last up to 30 years could get us one step closer to windows that generate power.

A new technique uses WiFi to count people in a seated crowd, even through walls. The secret is fidgeting.

New research finds that reappraising stress can help you use it as a tool to perform, rather than an obstacle keeping you from success.

Targeted policies that place limited restrictions on teens' driving behavior, especially at the right time, can improve safety, researchers find.

In the past 20 years, 30,177 active military and veterans of post-9/11 wars have committed suicide. That's four times as many deaths as those killed in action.

With a cue from sea slugs, researchers have taken a step towards making AI more reliable for use in surgical robots, self-driving cars, and more.

The websites of baby formula manufacturers use messages and images that discourage breastfeeding while touting the benefits of formula, an analysis finds.