sputnik

Fellow Traveler

Fifty years ago this month, the U.S.S.R. launched Sputnik 1, the world's first Earth-orbiting artificial satellite. Shocked into action, the U.S. ramped up its space program—and its science education.

Recent Stories

Satellite monitoring and networks of instruments on the ground can detect, but not predict, volcanic eruptions.

Doing something about the weather is no longer just talk.

Neuroscientists are beginning to understand the connections.

The long-dormant site of Spain’s first environmental protest in 1888, revisited.