Butterfly

Painted lady butterflies discovered in French Guiana — thousands of miles from their usual habitats — got there through a Herculean transoceanic flight.

Scientists have revealed how butterflies evolved and took over the world in a new tree of life.

The migratory monarch is threatened by habitat loss, pesticide and herbicide use, and climate change.

Though related, there are key differences between them.

Scientists watched butterfly wing scales form within the chrysalis.

Despite the remoteness of the island, the parasites are even better than their hosts at surviving — a feat researchers believe was accomplished through superior flying skills.

These ghastly meals provide male butterflies with chemicals that they use to produce mating pheromones, which female butterflies find irresistible.

With their bright orange hues and lengthy migration, monarch butterflies are one of the world's most iconic insects.

In the Amazon, when turtles weep, butterflies drink.

By mid-February in the three great hot and dry deserts of the American West, wildflowers turn stark desert landscapes into a sea of color.