Thomas Jefferson, c.1821

Thomas Jefferson’s Contributions to Natural History

His effort sent out the Lewis and Clark exploring party into the unknown West.

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.