The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in ...

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

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

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

The Western population of the monarch butterfly has reached the second-lowest level recorded since tracking began nearly ...

The Xerces Society, a conservation group dedicated to invertebrate protection, announced disheartening news for insect ...

The monarch butterfly is known by scientists as Danaus plexippus, which in Greek literally means "sleepy transformation." The name evokes the species' ability to hibernate and metamorphize. Adult ...

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

The western monarch butterfly is being considered for the endangered species list, but public comment is still being gathered ...

“With these endangered species protections, we aren’t just protecting charming little butterflies and their wetland habitat. We’re protecting the water that sustains all life in the desert, including ...

Monarch butterflies have declined 80 percent or more ... “This small, small insect can migrate from here, Wisconsin and Minnesota, all the way down to Mexico, a place where they’ve never ...