Monarch butterflies are making their flight north after wintering in Mexico. Here's what to know about the fascinating, fragile traveler.

The number of monarch butterflies that spent the winter in Mexico doubled this year, giving hope for a species that has faced ...

The Dorval land, known as Lot 20, is also a critical stopover point for the monarch butterfly, a federally designated endangered species, in its migration cycle to Mexico. “The best ...

These are some of the richest natural ecosystems on the entire island of Montreal and it is imperative they be protected.” ...

Monarch butterfly (Photo courtesy Brittanica ... the newly-hatched butterflies start the annual migration cycle over again, taking to the air for the long trek back north. Biologists and citizen ...

The U.S. Fish and Wildlife Service has announced the reopening of the public comment period for a proposed rule to list the ...

A new report shows that the population of eastern monarch butterflies has nearly doubled compared to the previous year.

Just a few years ago, the eastern monarch was considered endangered by the International Union for Conservation of Nature ...

The Trump administration said Tuesday that it is reconsidering adding protections to the monarch butterfly as a threatened ...

These late-blooming plants native to North America help feed butterflies — especially monarchs-— at a crucial point.