Movies, such as Close Encounters of the Third Kind, and conspiracy theorists insist we are not alone.

Ready for Contact

Humans have searched for extraterrestrial life for more than a century. What will we do when we find it?

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Honey Badgers Are Real

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Ecocenter: The Future of Our Oceans

From oil spills to overfishing, human exploitation of the seas has drastically affected the oceans’ coral reefs and wildlife

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G.I. Joe vs. Dinosaurs

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When Time Won’t Fly

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More Stars in the Universe

An illustration of German-born fossil collector Albert Koch's "Hydrarchos" as it appeared on display.

Ask Smithsonian 2017

How Did Whales Evolve?

Originally mistaken for dinosaur fossils, whale bones uncovered in recent years have told us much about the behemoth sea creatures

Improved telescope technology, the New York Sun reported, allowed an astronomer to see fantastic lunar life-forms.

Lunar Bat-men, the Planet Vulcan and Martian Canals

Five of science history’s most bizarre cosmic delusions

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