Back to Article List From the October 2008 issue Ask Astro web extra: Ever wonder why Mars is red? Associate Editor Daniel Pendick explains why Mars is referred to as the red planet. By Astronomy Staff | Published: October 27, 2008
Robotic Spaceflight, Science, Solar System, Space Exploration The many mysteries NASA can solve on a mission to Uranus
Cosmology, Science Why is the universe expanding faster than predicted? A cosmologist explains what we know
