Sugar By Brandon Specktor Feed your sweet tooth with the latest health findings on the sugar in your tea, your food and all over your body.
Sahara Desert By Live Science Staff The Sahara —Arabic for "The Great Desert" — is the largest hot desert on Earth.
Predators By Brandon Specktor Are you the predator, or the prey? Here is the latest news and findings on creatures that hunt, kill, and make Shark Week the best week.
Climate Change By Live Science Staff Climate change is real. It's happening. It's accelerating. And it's our fault.
Reproductive System By Rachael Rettner The reproductive system is a collection of organs found in both sexes that work together for the purpose of producing offspring.
Caffeine By Rachael Rettner Caffeine is perhaps the world's most popular mood-altering drug, found commonly in coffee and tea.
Autism By Rachael Rettner Autism is a developmental disorder that affects a person's ability to communicate and interact with others.
Cretaceous Period By Laura Geggel The Cretaceous, the last and longest period of the dinosaur age, lasted from about 145.5 million to about 65.5 million years ago.
Vikings By Laura Geggel During the Viking Age, which lasted from about A.D. 800 to 1066, Scandinavian seafarers raided foreign lands, began new settlements and traded goods such as furs, reindeer antlers and seal fat.
Photosynthesis By Laura Geggel Photosynthesis allows plants, algae and certain bacteria to turn sunlight into chemical energy.
Lymphatic System By Rachael Rettner The lymphatic system helps to defend the body against infections.
Ancient Egypt By Laura Geggel Ancient Egypt is famous for its pyramids, pharaohs and mummies, but archaeologists are still learning about this sophisticated society.
Mummies By Laura Geggel Mummies provide a window into the traditions and rituals practiced by ancient cultures.
Elements By Jeanna Bryner Here are all the latest discoveries and developments to help you keep up with the fascinating world of chemical elements.