Monarch butterflies are a keystone species, meaning they play a massive role in their native ecosystems. Think you know ...

A migration journey of a thousand miles (or more) starts with lots of monarch butterfly flowers. Grow these nectar flowers ...

The monarch butterfly -- one of the most widely recognized and widely dispersed insects in North America -- is in trouble. Federal wildlife officials will soon decide whether it deserves protections ...

The monarch butterfly is widely recognized and widely dispersed across North America and it's in trouble. Federal officials ...

Reporting from Europe, Jeff McMahon covers the environment. Monarch butterflies gather in the Oyamel Forest at El Rosario Sanctuary in Angangueo, Michoacan, ... [+] Mexico. Millions of monarch ...

Follow the monarch on its 3,000-mile journey across ... continent Monarchs are actually toxic—and 5 other amazing butterfly facts Monarchs are actually toxic—and 5 other amazing butterfly ...

Monarch butterfly populations have been in steady decline, and recently the International Union for the Conservation of Nature, IUCN, placed the monarch butterfly on its Red List of threatened ...

Admiring Monarch butterflies during the Fall in Texas should be easy to do. The butterflies are in the fall migration – leaving the northern United States and Canada and flying south to Mexico.

THE SPECIES THRIVE. AMONG THE MARIGOLDS AND SUGAR SKULLS ADORNING DIA DE LOS MUERTOS ALTARS, YOU MAY ALSO SEE MONARCH BUTTERFLIES. LA MIGRATION DE LAS MARIPOSAS COINCIDEN CON LAS FESTIVIDADES DE ...

The planting of non-native milkweeds along the migration path has resulted in the rise of a parasite called Ophryocystis elektroscirrha (OE), which infects and debilitates monarch butterflies.

About 150 species of butterflies have been documented in Ohio, but none are better known and more beloved than the iconic monarch. The large orange and black butterflies are conspicuous ...