You see monarch caterpillars, you see monarch butterflies — but why don't you see a monarch chrysalis? Here's what makes them tricky to find.

The effectiveness of camouflage or warning colors for insect defense depends on conditions such as light levels and how many predators are around.

While some animals use camouflage to hide from predators, others use bright colour to warn predators off. But which strategy is more effective?

The animal world is incredibly colorful, and behind this color palette is a constant game of survival.

Monarch butterfly numbers are declining, but people like Lorene and Robert Miller of Plain City are helping in a major way.

Monarchs traveled to a remote part of Mexico, a journey they've made for thousands of years, and wintered there. Now tens of millions of the butterflies are on an epic aerial journey back north.

Wellington Park in West Newton was abuzz Saturday morning, as children, parents, and curious onlookers gathered for the Fifth Annual Newton Monarch Festival.

From March to May, tourists from around the world flock to Thailand’s largest national park to catch a glimpse of hundreds of species of butterfly. The park has become a destination for casual ...