Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.

The Encyclopaedia Britannica was first published in 1768, when it began to appear in Edinburgh, and its first digital version debuted in 1981. In 1994 Britannica released the first Internet-based …

In Encyclopædia Britannica: Britannica in the digital era …in 1999 the company launched Britannica.com, a free site featuring an Internet search engine, subject channels, current …

Take these quizzes at Encyclopedia Britannica to test your knowledge on a variety of fun and interesting topics including Animals, Art, Music, Pop Culture, Science, History and more!

In addition to the full text database and thousands of illustrations, Britannica Online served as a gateway to the World Wide Web by providing direct links to outside sources of information.

The answer — as it has been for more than 250 years — is Britannica. Today’s Britannica is a dynamic, continuously updated, rigorously fact-checked information source for students, …

From Britannica, an online encyclopedia resource for kids in grades K-12 with safe, fact-checked, age-appropriate content for homework help and learning…

For more than 250 years, Britannica has kindled the spark of curiosity with stories of discoveries, people and events that changed the world.

The Extraordinary Life of Marie Curie How Marie Curie Developed Mobile X-ray Machines and Labs in WWI Marie Curie's 1926 Britannica Essay on Radium

Britannica Kids, a safe and fact-checked online encyclopedia resource created to support learning and homework help for grades 6-8…