Back to Article List This week in pictures: August 25–31, 2012 In the past seven days, the space community lost the first man to walk on the Moon, Curiosity began its trek to its first Mars destination, Cassini captured Saturn's changing colors, and more. By Astronomy Staff | Published: August 31, 2012
Science Ask Astro: If gravity is the weakest fundamental force, why is the Sun’s gravity so far-reaching?
Human Spaceflight, Science Ask Astro: How fast could a ship reach light-speed without crushing its human occupants?