Photo of the Day

March 3, 2020

Inner Space

A diver experiments with weightlessness at a research center in the U.S. Virgin Islands. In the 1960s, these experiments helped scientists figure out how astronauts would function in zero gravity conditions in space.

PHOTOGRAPH BY JAMES L. STANFIELD, NAT GEO IMAGE COLLECTION

Go Further

Subscriber Exclusive Content

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history