Fish may not get much credit for their intelligence, but some species are far more clever than they appear. These fish use memory, communication, and innovation to survive in challenging environments.

Iran Unrest Turns Deadliest in Decade​s: 5,002 Killed as US Warships Advance Diaper keeps 20-day-old baby from drowning after ...

Sleep is a universal biological state that allows all animals, from mammals to amphibians, fish and even insects, to restore ...

Long before Western astrology, the Chinese zodiac helped organize years, beliefs, and social life. Here’s how the system of 12 animals evolved over the centuries.