Monthly Archives: November 2011

Let’s Build a Stairway to Mars

Op-Ed Contributor By MICHAEL BENSON Human space flight is at a tipping point. Next September, after 29 years of flights, the Space Shuttle is scheduled to be launched for the last time. The future of U.S. crewed missions is currently … Continued

NYT Far Out rev

Books on Science In the universe there is always room for another surprise. Or two. Or a trillion. Take the Witch Head Nebula, for example – a puffy purplish trail of gas in the constellation Eridanus. When a picture of … Continued