Ask Smithsonian: Are Humans the Only Animals to Use the Stars to Navigate?

Yet another reason to fight light pollution (1:36)

Ask Smithsonian is a weekly video series that unravels some of science's most surprising mysteries. The series is made possible through the support of GEICO. Smithsonian members could save even MORE with a special GEICO #MemberDiscount on auto insurance.

Have a question in mind? It's your turn to Ask Smithsonian.