Historically, snakes have gotten a bad rap, but there’s a lot to love about these fascinating creatures, writes Jonathan ...

1. Two-headed snakes, scientifically known as bicephalic or polycephalic snakes, are a rare phenomenon in the animal kingdom. 2. They are formed when an embryo splits in two parts but doesn't separate ...

Animals are disappearing at hundreds of times the normal rate, primarily because of shrinking habitats. Their biggest threat: humans. No trace of the wild South China tiger, Panthera tigris ...