Last month California Gov. Gavin Newsom sued Fox News, alleging host Jesse Watters defamed him by calling the Democrat a liar ...

The city of Phoenix has planted several gardens to support struggling monarch butterflies, including one at the downtown ...

Habitat loss, climate change and the use of pesticides are to blame for the population decline of monarchs, says Karen ...

For both women, their efforts are a small way to combat the devastation human activity has brought to monarch butterfly ...

On a warm summer morning, you’re sitting in your yard enjoying a slow moment, when a flash of color catches your eye. Bright ...

Monarch butterfly numbers are down by 80% overall and remain just one-third the size needed to avoid migratory collapse.

Monarch butterflies are now listed as endangered.

It's been another year of both discouraging and rewarding results. Here are some lessons I've learned, especially when it comes to a common parasite that can infect the insects.

Monarch butterflies are among the most famous arthropods in the world, and humans seem to want to keep them around. The question is whether they can rise to the challenge. Read more.

A public art installation by veteran and artist Gary Crosby aims to bring smiles and raise awareness about the endangered ...

The monarch butterfly is most renowned for its yearly odyssey. Some will travel up to 3,000 miles during their two-way winter journey.