Despite their large numbers, these bees' nests remained hidden from scientists’ awareness—until someone stumbled upon them.

When beekeepers saw honeybee die-offs last year, experts at a USDA research center stepped in to help. The Trump administration plans to close the facility, and beekeepers and scientists are worried.

Bumble bees sustain many of our most nutritious crops, while honey bees underpin food production across the globe.

Killer bees are swarming early and often around Tucson this year because of the drought. Africanized bees have been forming new colonies around the city since February or even earlier this year, when ...