Creating more eggs gives the wingless walking sticks a greater potential to pass their genes to the next generation. "At least 50 million years later, for some reason, it was to their advantage to ...

A team of biologists says it has found what is quite likely the first-ever documented case of "re-evolution," suggesting that nature does indeed offer second chances -- a species can evolve a new ...

Queen Victoria, Swami Vivekananda, Churchill, and Charlie Chaplin had this in common. But the symbol of self-reliance is losing its personality now Old Man Walking in a Rye Field, by Laurits Andersen ...

The color of an animal can determine whether it lives or dies. If it’s easily spotted by predators, it may well become a meal. Hidden nicely against its background, an animal can escape its enemies ...