Research suggests smell may help us sense illness, emotion and risk long before we notice anything consciously.

Humans spend a great deal of time trying to smell good. We wash, deodorize and perfume our bodies daily, suggesting body odor ...

With the first, fat drops of summer rain, the sun-bleached desert exhales a perfumed breath of pure relief. But where does the intoxicating scent of a monsoon storm actually come from? There’s a lot ...