ASGA's vice president of science and innovation told sugarbeet growers the potential listing of monarch butterflies as ...

The natural phenomenon of the iconic monarch butterflies migrating south for the winter is a fascinating one - and it's one ...

Are monarch butterflies endangered? Monarch population numbers are falling and it's clear that these butterflies need our ...

The number of monarch butterflies spending the winter in the western United States dropped dramatically this year even as ...

In 2023, more than 16,000 butterflies were counted at one local grove. The most recent count was a tiny fraction of that.

Newly released data shows that the number of monarch butterflies migrating to California this winter is near-record low. "We ...

The number of monarch butterflies in California is in sharp decline this year. This is the second-lowest population recording ...

A group of researchers in Germany created 3D printed wings inspired by the monarch butterfly. These robotic wings are ...

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 ...

Once, millions of monarchs wintered in California. But climate change, habitat loss, widespread pesticide use and disease ...

On Thursday, invertebrate conservation group the Xerxes Society released the results of their 28th annual Western Monarch ...

We know small populations are especially vulnerable to environmental fluctuations, and we think that’s what happened this ...