In 1965, significant advancements were made in space science, particularly through the Ranger and Mariner missions, which explored the Moon and Mars, respectively. Key achievements included the ...

PASADENA, Calif. — Fifty years ago on a mid-December day, NASA’s Mariner 2 spacecraft sailed close to the shrouded planet Venus, marking the first time any spacecraft had ever successfully made a ...

This is a shortened version of the film "Mercury: Exploration of a Planet ." This film provides a brief description of the Mariner 10 mission, and explains how the spacecraft used gravity assist.

As much as we know today about the planets of the solar system, it’s almost incomprehensible that a mere 50 years ago we knew almost nothing about them. Observations of even Mars and Venus, Earth’s ...

Discusses the various schools of thought concerning the possibility of life on Mars, and how the flight of Mariner 9 around Mars affected these theories. Includes ...