In early testing, a hand-held device detected breast cancer from a tiny sample of spit in less than five seconds.

A new way to make cellulose gels gets inspiration from how some small birds use spit to hold twigs in place when building nests.

Bacteria and fungi can join forces to form "superorganisms" that sprout "limbs" to walk and leap across teeth, researchers have discovered.

Slime-coating slugs and the saliva in our mouths are two types of bodily fluids that contain mucus. A new study explores how this marvel of biology evolved.

College students who reported recent thoughts of suicide have different bacteria in their saliva than those who didn't, a new study shows.

Specific RNA biomarkers linked with gastrointestinal issues in children with autism could one day lead to personalized treatments to ease their pain.

COVID-19 spit tests that contain the right preservative can also help the study of microscopic organisms in the mouth. That could lead to new treatments.

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.

Saliva tests for COVID-19 are just as effective as nasal swabs and cost less, a pair of studies shows.

A 15-minute COVID-19 test that uses a smartphone device could one day address the need to expand testing capacity in outpatient clinics.