Smell receptors were discovered 30 years ago, but how they work to recognize many different odors has been a mystery. New research has some answers.

With age, people's sense of smell declines. But new research shows it's not across the board: Older people can smell certain foods better than others.

New research looks at air pollution as a cause of anosmia, the loss of sense of smell. The researchers say long-term exposure can almost double the risk.

Dogs' superior sense of smell may offer a way to improve testing for prostate cancer, a new study shows.

New evidence suggests that odor-sensing cells in the nose are the key entry point for SARS-COV-2, the virus that causes COVID-19.

"People use pigs for finding truffles. It's a similar approach—using a biological organism—this is just a bit more sophisticated."

Sudden loss of sense of smell or taste could be the first symptoms of COVID-19. An expert explains why that is and what to do if it happens to you.

Researchers have mapped the "wasabi sensor," the hotspot in the mouth, nose, and throat that senses irritating chemicals like the spicy condiment.

In a new virtual reality game, players have to use their sense of smell, touch, and heat to succeed.

DEET may not repel malaria-carrying mosquitoes from humans after all. Instead, it may work like a cloak to hide our scent and fend off the critters' bites.