International Treaty

A digital illustration, released on September 15th, 2011, by NASA, of the newly discovered gaseous planet Kepler-16b orbiting its two stars.
Social Justice

Outer Space Treaties Didn't Anticipate the Privatization of Space Travel. Can They Be Enforced?

If human civilization begins to expand into space, will colonists feel loyalty to their country, their planet, or Elon Musk?

Environment

U.S. Lethargy at Copenhagen Might Be Best for Climate

The U.S. Senate's balkiness at passing a weak-kneed symbolic climate plan leaves an open door to a genuine and meaningful American bill.

News in Brief

Escape From Kyoto: Saving the Protocol

The right to weasel out of greenhouse-gas agreements might be just what's needed to make them work.