• NASA’s Cassini spacecraft has obtained new detailed images of the south polar region of Saturn’s moon Enceladus. The data reveal distinctive geological features and the most youthful terrain seen on the moon. These findings point to a very complex evolutionary history for Saturn’s brightest, whitest satellite.

  • Chris McKay, a planetary research scientist at NASA Ames Research Center, gave a public lecture, sponsored by the Planetary Society, in which he talked about the scientific results of the Cassini-Huygens mission. In this first of four parts, McKay discusses Titan’s atmosphere.

  • The discovery that Europa most likely has a cold, salty ocean beneath its frozen icy crust has put Europa on the short list of objects in our solar system that astrobiologists would like to study further

  • At the recent Earth System Processes II conference, Jack Farmer gave a talk on the current state of understanding about Mars: what we know and what we’d like to know. In this, the third and final part of a three-part series, he outlines the options for future Mars exploration.

  • Sending men to the Moon certainly changed the public perception of life on our own planet, thanks to the astronauts’ photographs of the Earth looking like an illuminated blue marble suspended in the deep black emptiness of space.