Science

Is Humanity Unusual In The Cosmos?

Commentator Adam Frank talks with Harvard astrophysicist Avi Loeb about exo-civilizations, techno-signatures, and the search for alien life — living or long-gone.

Chinese Space Lab Crashes To Earth

Tiangong-1, an abandoned Chinese orbiting lab, re-entered the atmosphere over the South Pacific Ocean Sunday evening, fulfilling predictions by the European Space Agency.

The Pattern Problem

Are we destined to repeat our patterns, or do we generally stray in surprising directions?