The annual migration of monarch butterflies is one of science's great mysteries: millions of monarchs know the correct path ...

For thousands of years, millions of monarch butterflies have migrated from the northern U.S. and Canada to Mexico for the winter. But exactly how they know where to go is still a mystery.

My childhood growing up in Pacific Grove, California was blessed with the kind of exposure to and immersion in nature that ...

A new butterfly species, Satyrium curiosolus, was discovered in a recent study at Blakiston Fan in Waterton Lakes National Park, Alberta. It has unique evolutionary history, having likely remained in ...

The plight of the monarch butterfly could cost farmers a valuable tool in the fight to protect crops from weeds and pests. An ...

Monarch butterflies were in abundance just a few decades ago, but now they’re a rare sight indeed and that’s likely because ...

The latest official report of monarch butterflies overwintering in Mexico has just been released and offers some ...

This proposal is a big deal — monarchs are among the most recognizable and beloved animals in the US — and a long time coming ...

The Xerces Society for Invertebrate Conservation says, along the California coast, 4.5 million monarchs overwintered in the ...

One Thousand Trees continues its All Creatures Great and Small series of events focussing on animals, with a timely screening ...