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

After previously spotting some green scrims being installed in EPCOT, work has now begun on the returning Butterfly Landing ...

Sometimes, nature's surprises come with wings. In a new study, scientists have pulled from a 35-year dataset to examine ...

On Tuesday, the Butterfly Pavilion in Westminster and the Government of Mexico are joining forces to protect one of North ...

The Western population of the monarch butterfly hit a near-record low with fewer than 10,000 found living in California this ...

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

The Ellwood Mesa Butterfly Grove used to be California's largest wintering site for monarch butterflies, but in 2024, only 30 butterflies were counted.

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

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

The findings challenge previous assumptions about butterfly migration and highlight the role of phenotypic plasticity.

This winter, volunteers from the Xerces Society, a nonprofit environmental group, tallied just 9,119 western monarchs — a ...