Thirty delicately carved monarch butterflies greet walkers and cyclists who cross Fredericton's Bill Thorpe Walking Bridge, ...

The monarch butterfly is a beautiful and colorful creature, but it takes a while to reach that part of its adult life.

Butterfly enthusiasts are patiently waiting for Monarch butterflies to arrive in Utah after their migration was delayed due to cold and wet winter conditions.

The migratory monarch butterfly, a North American icon with a continent-spanning annual journey, now faces the threat of extinction, according to a top wildlife monitoring group.

Monarch butterfly populations are crashing — but we can choose to do something about it A species once numbering in the millions has reached 5% of its population in the '80s. We can reverse this ...

Monarch butterfly super generation live up to 9 times longer than most monarchs, migrates thousands of miles By Anderson Cooper ...

"It is difficult to watch monarch butterflies and their extraordinary migration teeter on the edge of collapse, but there are signs of hope," Anna Walker, a member of the IUCN's butterfly and moth ...

The population of the monarch butterfly — the official state insect of Texas — is continuing to decline.

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

The question this Earth Day is not whether we can save the monarch butterfly − we can − but whether we will.

The International Union for Conservation of Nature placed the monarch butterfly on its Red List of Threatened Species as endangered in July, but despite decades of declining numbers, the delicate ...

The U.S. Fish and Wildlife Service said it is reopening the public comment period for a proposed rule to list the monarch butterfly as a threatened species under the Endangered Species Act.