Van der Heide got her start at Cal Poly, tagging monarchs by numbering their wings in Sharpie and trying to find them later ...

An international collaboration to track individual monarchs kicked off this fall, including James Madison University.

For the first time in California, citizen scientists can join the effort to track monarch butterflies thanks to Blu+, a new ...

For the first time in California, citizen scientists can join the effort to track monarch butterflies thanks to Blu+, a new ...

When this monarch butterfly hits the sky it won't be traveling alone. In fact, an energetic team of researchers will be ...

Nine monarch caterpillars that emerged late in the season would have faced certain death had an Evergreen Park man not ...

The tags weigh just 60 milligrams — about three grains of rice. Researchers have tagged more than 400 monarchs this year and ...

Students at K.O. Knudson Middle School have successfully convinced Las Vegas Mayor Shelley Berkley to sign the Mayor's ...

This important study shows that different forms and mixtures of cardenolide toxins in tropical milkweed, especially nitrogen- and sulfur-containing types, change how monarch caterpillars eat, grow, ...

How do you teach people to count butterflies? Well, community scientist Richard Rachman likes to start by taping Doritos to trees.  Rachman is a plant ecologist by trade, but is also a volunteer with ...