Monarch butterflies drop ominously in Mexico (Update)

The number of Monarch butterflies making it to their winter refuge in Mexico dropped 59 percent this year, falling to the lowest level since comparable record-keeping began 20 years ago, scientists reported Wednesday.

Gardeners can help protect butterfly populations

Bees aren't the only pollinators suffering from a massive North American die-off. Butterflies and moths, those flying flowers of the insect world, are disappearing too.

Endangered-species decision expected on beloved butterfly

Trump administration officials are expected to say this week whether the monarch butterfly, a colorful and familiar backyard visitor now caught in a global extinction crisis, should receive federal designation as a threatened ...