This is the first-ever close-up image of Mars, taken by NASA's Mariner probe during a flyby on July 14, 1965. It shows an area about 330 kilometers across by 1,200 km (205 miles by 745 miles) from ...

The Viking 1 spacecraft arrived in orbit around Mars on June 19, 1976. The orbiter took images of the Martian surface that ...

NASA’s Mariner 4 spacecraft lifts off Launch Pad 12 at Cape Canaveral Air Force Station atop an Atlas Agena rocket on Nov. 28, 1964.

Two television vidicon cameras, one of medium resolution (wide angle) and the other of high resolution (narrow angle), were part of both the Mariner 6 and Mariner 7 scientific instrumentation. The ...