A Cleaner Satellite

From the Economist ARISTOTLE believed that the heavens were perfect. If they ever were, they are no longer. The skies above Earth are now littered with the debris of dead satellites, bits of old rockets and the odd tool dropped by a spacewalking astronaut. Such is the...

A Subtle Difference

Subtle color differences on Saturn’s moon Mimas are apparent in this false-color view of Herschel Crater captured by NASA’s Cassini spacecraft during its closest-ever flyby of that moon. The image shows terrain-dependent color variations, particularly the...

Expedition 23 Soyuz Rollout

The Soyuz TMA-18 spacecraft arrived by train to the launch pad at the Baikonur Cosmodrome, Kazakhstan, Wednesday, March, 31, 2010. The launch of the Soyuz spacecraft with Expedition 23 Soyuz Commander Alexander Skvortsov, Flight Engineer Mikhail Kornienko and NASA...