Aliza Chasan is a Digital Content Producer for "60 Minutes" and CBSNews.com. She has previously written for outlets including PIX11 News, The New York Daily News, Inside Edition and DNAinfo. Aliza ...

The human eye has three different types of cone cells, known as photoreceptors, that allow us to see millions of different colors. Animals have varying numbers of these receptors, which allows some ...

Butterflies are common throughout the world; however, there is more to them than meets the eye. From optical illusions in their wings to generation-spanning migrations and caterpillars committing ...

ORLANDO, Florida — After six years of searching, an entomologist has concluded that three varieties of butterflies native to south Florida have become extinct, nearly doubling the number of North ...

Heliconius charithonia is one of the species of butterflies whose wing patterns scientists scrutinized to better understand the evolutionary process. This butterfly is wild-type; the genetically ...

Among the vivid green plants of a tropical hothouse, flashes of blues, purples, oranges and other bright colors flit in and out of the light. Distinctively patterned orange and black monarch ...