"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Stay sharp and learn something new every day or stock up on knowledge for the next 105 days with these ...

Plenty of useful facts are taught in biology classes − from the nutrients necessary for the human body to the mechanisms that ...

Read on for some chilling curiosities from the creatures of the Smithsonian’s National Zoo and Conservation Biology Institute ...

Every year, World Jellyfish Day celebrates one of the ocean’s most enigmatic creatures. Graceful yet dangerous, simple yet ...

How far it is from the sun: 886 million miles (1.4 billion kilometers), on average How big it is: 72,400 miles (116,500 km) across, or almost 10 times the size of Earth. How many moons it has: At ...