It's been an unusually hot fall in Texas, and that may explain why the iconic southbound march of the monarch butterfly ...

One day, I found myself in a dream. I still can’t believe I spent several days surrounded by hundreds of thousands of these beautiful creatures in Mexico. This incredible butterfly is called the ...

Texas' official state insect is on its way from Canada to Mexico — and you may be just in time to witness the remarkable ...

ARVADA, Colo. — The National Wildlife Federation (NWF) said monarch butterfly populations have declined upwards of 90% in recent decades. "There’s been an impact of climate change, habitat loss [and] ...

You see monarch caterpillars, you see monarch butterflies — but why don't you see a monarch chrysalis? Here's what makes them ...

Monarch butterflies could potentially be listed on the U.S. Fish and Wildlife Services’ list of threatened species. Officials will open a 90-day public comment period that could help determine whether ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate change ...

A broken wing almost ended a monarch butterfly's journey on Long Island, but a caring hand and a clever idea gave it a second chance to fly again. At the Sweetbriar Nature Center in Smithtown, experts ...