May 9 was a day like any other for Baillie Hillman and James Ramirez. Ramirez tended to his horses while his wife was working. Later on that day, their horses seemed disturbed, but this wasn’t normal.

Africanized "killer" bees are a hybrid species known for aggressively defending their hives. Some 90%-100% of wild honey bee colonies in Arizona are Africanized. Killer bee attacks in Arizona have ...

Add Yahoo as a preferred source to see more of our stories on Google. Africanized honey bees, often referred to as "killer bees," are now found in 13 states and are slowly spreading northward, ...

Africanized honey bees, often referred to as "killer bees," are now found in 13 states and are slowly spreading northward, attacking people, livestock and pets along the way. Scientists say the bees' ...

Africanized honeybees, known as "killer bees," are spreading across Florida and the U.S. due to rising temperatures. These bees are more aggressive than European honeybees, sending out more bees in ...

Africanized honey bees, often called "killer bees," are now found in 13 states and are slowly spreading northward, attacking people, livestock, and pets along the way. Recently, a Texas man mowing his ...

Africanized honey bees, often referred to as "killer bees," are now found in 13 states and are slowly spreading northward, attacking people, livestock and pets along the way. Scientists say the bees' ...