At head of title: DK Smithsonian. Author from title page verso. "Our world is filled with extraordinary diversity, from amoebas to zebras, from tiny toadstools to giant oaks. The wonders of the ...

Do animals see illusions like we do? A study tests guppies and doves to find out how different species process visual tricks.

Imagine being a paleontologist exploring Utah’s Jurassic-aged rocks. Imagine discovering the bones of a 20-meter-long, 20-ton herbivorous dinosaur. Then consider: How could any beast become so big?

The Greenland shark is the oldest vertebrate on the planet, capable of living hundreds of years in cold waters thousands of feet deep. It is also uniquely smelly. Its body is designed to have the same ...

Since 1970, we have been celebrating Earth Day on April 22. Every year, we continue to educate the next generations about valuing our Earth and its nature, including animals, endangered species, and ...