Another entry in that list dates from October 2018, when we encountered a photograph purportedly capturing a vibrant, multi-colored "rainbow ... and common monarch butterfly: Although we're ...

But congregating on trees in their millions and creating a wonderful orange glow as they fly around, the beautiful monarch butterflies at the Sierra Chincua reserve in Mexico are a spectacular sight.

And now a photographer has captured the finer details of these iridescent insects in stunning clarity, including the rainbow scales ... The ability of Monarch butterflies to detect ultraviolet ...

In what may be the most poetic scientific study ever conducted, dozens of men at a maximum-security prison in Washington state helped uncover migration patterns of West Coast monarch butterflies.

"It's the only plant a monarch butterfly can lay its eggs and it's the only plant that a monarch caterpillar can eat," explained Kaia Ono. "You go to the milkweed plant and then you look under the ...

Inside the top of a cylinder of white netting, a group of tiny jade-green stalactites glow with thin streaks ... and closing beneath them. The monarch butterfly season is nearing its end for ...