The iconic monarch butterfly is declining across North America. You can help make a difference by providing the species with ...

Growing milkweed from seed is one of the easiest ways to help declining monarch butterflies. In December 2024, the U.S. Fish ...

The U.S. Fish and Wildlife Service is taking steps to list monarch butterflies as threatened species and designate seven ...

The number of monarch butterflies spending winter in the western U.S. dropped dramatically this year, despite moves to extend ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in ...

In 2023, it counted more than 230,000 butterflies and, on Friday, the organization announced that in 2024, it only saw 9,119 ...

Thogmartin and other researchers have evaluated more than 200 scenarios for restoring greater than 1.3 billion stems of ...

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

Scientists are grappling with a stark population decline of the western monarch butterfly after the species’ numbers hit a ...