Round and Round
The Cassini-Huygens mission, which sought detailed information about Saturn and its moons, returned some striking images of the planet’s iconic rings.
JPL/NASA
Tale of a Whale
The sperm whale's head constitutes one-third of the total body length and, it is estimated, greater than a third of the body weight.
EB, Inc.
Advocacy for Animals
Animal abuse, animal rights, animal welfare around the world—this special Britannica blog covers it all. Join the discussion.
© Pavol Kmeto/Fotolia

From the Encyclopædia Britannica
Edward Teller
The Hungarian-born American nuclear physicist participated in the production of the first atomic bomb and led the development of the world’s first thermonuclear weapon, the hydrogen bomb.
American Civil Rights Movement
Clayborne Carson, director of the Martin Luther King, Jr., Research and Education Institute, traces the history of one of the most successful protest movements of the 20th century.
Grand Teton National Park
A spectacular glaciated mountain region in Wyoming, U.S., this park encompasses much of the Teton Range and is renowned for its hiking trails and climbing routes.
Modern Dance
This genre of theatrical dance was pioneered by legends such as Isadora Duncan, Martha Graham, and Merce Cunningham.
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