Glyphosate is decimating milkweeds monarchs depend on: Pleasants JM, Oberhauser KS (2013) “Milkweed loss in agricultural fields because of herbicide use: effect on the monarch butterfly population ...

There are a lot fewer monarch butterflies in Arizona than there used to be a few decades ago. FOX 10's Steve Nielsen is learning about how Scottsdale is trying to change that, and how you can help.

The last five decades have not been good to insects. During this 50-year period, pesticide use and climate change have shrunk ...

With a 90% decline in the monarch butterfly population in just the last few decades, Hillsborough Township is doing their part in efforts to essentially “save the monarch butterfly.” ...

In his March statement, Miller celebrated how in 2025 the eastern monarch butterfly population nearly doubled. However, populations remain far below the long-term average. He’s hanging his ...

World Wildlife Fund Mexico and its partners have reported a doubling of the eastern monarch population. The tally is not made by counting each individual butterfly. Instead, butterfly counters ...

On April 26, Yuba Environmental Science (YES) Charter Academy committed to the support of the migrating Monarch butterfly populations for generations to come. Collaborating with several ...

Following a migration that started in Mexico, monarch butterflies have reached Michigan. Here's where they've been spotted.

Monarch butterflies are the only known butterfly that makes a two-way migration similar to birds. Because monarchs can’t survive the cold, they overwinter in warmer places. Monarchs that live ...

Most of us would undoubtedly picture a monarch if asked to imagine a butterfly, recognized by ... butterflies are experiencing an unprecedented population decline as a result of habitat ...