Scientists are moving closer to answering some age-old questions. How did the leopard get its spots? How did the zebra get its stripes? The answer may be a gene called Agouti, which the scientists ...

At 23, Richard Anuszkiewicz was a colorless young man—technically speaking, that is. “I was painting still lifes that were getting greyer and greyer,” he recalls, still amazed at the helplessness he ...

Zebras and tigers have stripes, cheetahs and leopards have spots, and the ocellated lizard (Timon lepidus) boasts a labyrinthine pattern of black-and-green chains of scales. Now researchers from the ...

After reconstructing the color patterns of a well-preserved dinosaur from China, researchers have found that the long-lost species called Psittacosaurus (meaning "parrot lizard," a reference to its ...