Texas highways sit directly in the path of monarch butterfly migration, and researchers say vehicle collisions are a major – ...

The Trump administration has delayed a decision on whether to extend federal protections to monarch butterflies indefinitely.

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

Scientists used tiny new sensors to follow the insects on journeys that take thousands of miles to their winter colonies in Mexico. Scientists used tiny new sensors to follow the insects on journeys ...

Monarch butterflies migrate to California each fall to escape cold weather and cluster in coastal groves from October to February. Key viewing spots include Natural Bridges in Santa Cruz, Pismo State ...

A monarch on a maximilian sunflower in the Todd Waterfowl Production Area in the Kulm Wetland Management District. (USFWS photo) A proposal to list the monarch butterfly as threatened under the ...

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The monarch butterfly, Texas' official state insect, is in the middle of its 2,200 mile migration from Canada to Mexico — and you may be just in time to witness the remarkable journey. When is peak ...

The flapping wings of millions of monarch butterflies at the Monarch Butterfly Biosphere Reserve in Michoacán, Mexico, create a fluttering sound that Alfonso Alonso describes as “magical.” The ...

PACIFIC GROVE — Longtime residents love to regale Natalie Johnston about the days when they had to sweep piles of western monarch butterflies off their front porches. They tell tales of teeming ...

HOUSTON — Every year, millions of monarch butterflies migrate through Texas on their way to Mexico — but their numbers have dropped dramatically in recent decades. Now, a new neighborhood in Cypress ...

If you see a monarch butterfly in your Wichita yard, you might want to take an extra long look, because this may be the last month of the year you’ll see them flying around your garden. The monarch ...