This is a sea slug, Elysia chlorotica, and it looks like a leaf because it has acquired chloroplasts from its algal prey and stored them in its gut lining
In preparation for tomorrow’s big day, I offer you a selection of articles on the theme of turkey science:How did the turkey in my oven get so big?
One of the first Smithsonian articles I worked on was last year’s Guerrillas in Their Midst, about the endangered mountain gorillas of Rwanda and Congo
With the announcement that the woolly mammoth genome has been sequenced, it seems natural to ask when we will finally see live mammoths
It is difficult to figure out the behaviors of an animal that lived thousands—or millions—of years ago when all you have are its fossilized bones
…the antilopine wallaroo, a type of kangaroo that lives in wet, tropical areas of Australia
Test your insect knowledge by answering these trivia questions
No detail is too small for students at the Linnaean games, an annual national insect trivia competition
Megeleledone setebos (bottom left), an octopus species endemic to the Southern Ocean, surrounded by related octopus species that evolved in the deep-sea
Bats' barotrauma, fallow deer, Tahitian vanilla, lucky dinosaurs
Bats' barotrauma, fallow deer, Tahitian vanilla, lucky dinosaurs
Wild giraffes are making a comeback despite having to compete for resources with some of the world's poorest people
Niger's giraffes and our 16th president
Passions run high in an Australian town: Should the endangered birds be feared—or fed?
Great white sharks, endangered frogs and more
California's lead bullet ban protects condors and other wildlife, but its biggest beneficiaries may be humans
Page 118 of 134