For the first time, researchers have determined how a human olfactory receptor captures an airborne scent molecule, the pivotal chemical event that triggers our sense of smell. Whether it evokes roses ...

Our ancestors probably didn’t smell good, but did they smell well? A new study has grown odor receptors from Neanderthals and Denisovans, and tested their sensitivities to different smells compared to ...

Ladybugs lay down "trails" of scents to help guide other ladybugs to a meetup spot. Photograph By Javier Torrent/VWPics/Redux It’s an ongoing debate on TikTok: A couple wonders why one of them can ...

Child about to take a bite from a cookie - Catherine Falls Commercial/Getty Images We all know the feeling when you catch a head cold and your nose is all blocked up. You can't breathe or smell all ...