In the last 15 years, the monarch butterfly populations in North America have dwindled to "alarmingly low" levels, University ...

The monarch butterfly life cycle begins with a whirl of wings in the heat of the summer sun. As a female monarch sips nectar from a wildflower, a male hovers nearby.

Thirty delicately carved monarch butterflies greet walkers and cyclists who cross Fredericton's Bill Thorpe Walking Bridge, which spans the Saint John River.Each brightly painted wooden butterfly has ...

Monarch butterfly populations are crashing — but we can choose to do something about it A species once numbering in the millions has reached 5% of its population in the '80s.