Add Yahoo as a preferred source to see more of our stories on Google. Monarch butterflies have begun fluttering across Michigan after a migration that began in Mexico. The brightly colored insects ...

Learn which monarch butterfly predators and parasites pose a real threat to their survival, and which are part of the natural ...

Here’s a look back at what happened in the Chicago area on Aug. 19 according to the Tribune’s archives. Is an important event missing from this date? Email us. Four of the convicted were hanged. One ...

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The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in California this winter, a foreboding sign for the future of the beloved ...

“Monarch Magic,” Butterfly Pavilion’s monthlong celebration of the iconic butterfly, showcases the little pollinators and all they do for humanity, from their cultural impact to ecological ...

A new generation of monarch butterflies is taking flight, and researchers in eastern Iowa are working to learn where the insects will travel next.Monarch Resear ...

After Kathy Marshburn lost a child, she didn’t know how she’d move on. Violet was only two months old when she died unexpectedly, of a heart condition, in 2002. Marshburn, who lived in the Houston ...

The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in California this winter, a foreboding sign for the future of the beloved ...

An intriguing new study hints that the wing color patterns on a migrating monarch may help the insects fly better. Butterflies congregate at their winter roost in Sierra Chincua, Mexico. The cool ...