Scientists have found 50 million reasons to study the brain of a fruit fly. That's how many connections they discovered in the first complete map— known as a connectome—of an adult insect's brain.

A fruit fly’s brain is smaller than a poppy seed, but it packs tremendous complexity into that tiny space. Over 140,000 neurons are joined together by more than 490 feet of wiring, as long as ...

Invasive fruit fly species puts parts of Orange County under quarantine An oriental fruit fly sits on the guava fruits in Tehatta, West Bengal, India, on March 8.