Monarch butterflies are making their flight north after wintering in Mexico. Here's what to know about one of Earth's ...

From a pink dolphin slinking through the Amazon's waters to the sight of monarch butterflies filling the skies of Mexico, this year's best photos will take you on a journey across the planet ...

Monarch butterflies typically live from two to six ... The plants bloom orange, pink or white flowers in the spring. During the fall they release seeds attached to wispy white stems that catch ...

FILE - A monarch butterfly on milkweed in bloom ... Milkweed is a thick-stemmed, leafy plant that blooms tufts of pink flowers each spring. Xerces recently received a $300,000 federal grant ...

If there is no bird more American than the eagle, there is no butterfly more American than the monarch. Breathtaking and resilient, the monarch butterfly completes one of the most astounding ...

Tens of millions of monarch butterflies are on an epic aerial journey home. They've spent the winter hanging out in trees in a forest on a remote mountain in Mexico, resting up after flying all ...

The pretty plant, which sports pink, purple or orange flowers ... Designating of the migratory monarch butterfly as threatened would allow for further conservation efforts to prevent their ...

Monarch butterflies are migrating north and have ... The plants bloom orange, pink or white flowers in the spring. During the fall they release seeds attached to wispy white stems that catch ...