Stories, updates, insights, and original analysis from The Planetary Society.
Apollo gave us our money's worth. The Apollo lunar samples, totaling 381 kilograms (838 pounds), along with thousands of photographs and other data, are still yielding clues to the world that has been our Rosetta stone for deciphering planetary evolution.
Carl Sagan writes that once upon a time, we soared into the solar system. For a few years. Then we hurried back. Why? What happened? What was Apollo really about?
Two robotic rovers reached the surface of Mars in 1971 during the Soviet Mars 2 and 3 missions.
Carl Sagan's argument for planetary exploration. Published in the first issue of The Planetary Report magazine.