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 ...

It’s hard to overlook the brilliant orange and black wings of a monarch butterfly as it moves through a garden of flowers. It’s also hard to believe that the life cycle of this incredibly colorful ...

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 ...

One of the most recognizable and widely dispersed insects in North America may soon be headed for protections under the Endangered Species Act. In early December, federal wildlife officials will ...

MADISON, Wis. — President Donald Trump’s administration has delayed a decision on whether to extend federal protections to monarch butterflies indefinitely despite years of warnings from ...

As the colorful wings of butterflies flickered through a bright blue sky at the Catherine Violet Hubbard Animal Sanctuary in Newtown, Jenny Hubbard fondly recalled her favorite memories from the six ...

Monarch butterfly populations have nearly doubled this year, an annual survey of the species found. At the end of each summer, the beloved pollinators migrate from southern Canada and the northern and ...

If it feels like there are fewer bugs now than there were decades ago, it’s not just nostalgia. Scientists estimate that, due to factors such as pesticide use, habitat loss, and climate change, as ...

Across North America, monarch butterfly populations will begin their journey southward to warmer winter climates in Mexico, travelling across much of the United States, including Oklahoma, along their ...

John Dias is a three-time Emmy Award-winning reporter for CBS News New York. He is known for his engaging storytelling and commitment to delivering impactful news coverage. A broken wing almost ended ...