The Planetary Society on Monday announced plans to launch its second attempt at a spacecraft that will be powered by the sun.

The long-held fancy of sailing among the stars could soon become reality with one solar sail mission on the drawing board and another already on the launching pad, slated to blast off this summer.

By Marcia Dunn CAPE CANAVERAL, Fla. - When NASA's

By MARCIA DUNN CAPE CANAVERAL, Fla. - When NASA's newest Mars lander departs Earth this weekend, it will be carrying the words and art of visionaries from Voltaire to Carl Sagan.

By Dan Sorenson, The Arizona Daily Star, Tucson Nov. 1--Affordable space travel may be far off, but Earth-dwellers can send their names to Mars for free under a program by the Planetary Society, a space advocacy program.